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Upgrade from 9.3.2 to 9.6.1 issue

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please make sure, you are running on .Net 4.7.2 or later.
You might even use an outdated skin (Minimal Extropy) for the whole site, a page or module container on a page, which seem to cause a compile issues. You may modify by updating values in the database: SettingValue for SettingKeys DefaultPortalSkin, DefaultPortalContainer, DefaultAdminSkin and DefaultAdminContainer in PortalSettings table, SkinSrc and ContainerSrc in Tabs table as well as ContainerSrc in TabModules table. You will need to restart the App Pool afterwards.
HTH

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This time before we proceeded to upgrade dnn v9.8.0 from dnn v9.3.2 we did following activity in database, Please let me know if any other table I missed out or is there any changes required in portals folder? This time also we got the same error after iis restart.

update PortalSettings set SettingValue='[G]Containers/Xcillion/Title_h2.ascx' where SettingName ='DefaultPortalSkin' and PortalSettingID in (394,395,396)
update PortalSettings set SettingValue='[G]Skins/Xcillion/Inner.ascx' where SettingName ='DefaultPortalSkin' and PortalSettingID in (393)
update PortalSettings set SettingValue='[G]Containers/Xcillion/NoTitle.ascx' where SettingName ='DefaultPortalContainer' and PortalSettingID in (400,401,402)

update Tabs set SkinSrc='null' where SkinSrc like '%Minimal%'
update Tabs set ContainerSrc='null' where ContainerSrc like '%Minimal%'
update TabModules set ContainerSrc='null' where ContainerSrc like '%Minimal%'

The Error we got is as follows: 

2021-03-30 19:09:57,653 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:09:57,669 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:10:31,030 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:10:31,030 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:10:31,046 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:10:31,046 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:10:31,046 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:10:31,046 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:10:31,046 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:10:31,046 [EC2AMAZ-VRGA941][Thread:16][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:11:29,344 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:11:29,344 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:11:29,344 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:11:29,344 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:11:29,360 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:11:29,360 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:11:29,360 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:11:29,360 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:11:29,360 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:11:29,360 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:21:05,044 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:21:05,059 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:21:40,811 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:21:40,811 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:21:40,828 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:21:40,828 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:21:40,828 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:21:40,828 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:21:40,842 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:21:40,842 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:22:29,406 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:22:29,406 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:22:29,406 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:22:29,423 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:22:29,423 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:22:29,423 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:22:29,423 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:22:29,423 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:22:29,437 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Framework.Reflection - null
System.Web.HttpException (0x80004005): Could not load type 'null'.
   at System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase)
   at DotNetNuke.Framework.Reflection.CreateType(String TypeName, String CacheKey, Boolean UseCache, Boolean IgnoreErrors)
2021-03-30 19:22:29,437 [EC2AMAZ-VRGA941][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.ModuleLoadException: Unhandled error loading module. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Pane.LoadContainerByPath(String containerPath)
   --- End of inner exception stack trace ---
2021-03-30 19:26:10,930 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_dnncontra_home_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_w4yqbplq.Create_ASP_portals__default_skins_dnncontra_home_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:26:17,320 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_minimalextropy_index_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_rdaolvsl.Create_ASP_portals__default_skins_minimalextropy_index_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:26:17,398 [EC2AMAZ-VRGA941][Thread:5][FATAL] DotNetNuke.Framework.PageBase - An error has occurred while loading page.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:26:17,414 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - ~/Default.aspx?tabid=1172&error=An unexpected error has occurred&content=0
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:26:17,430 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_dnncontra_home_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_w4yqbplq.Create_ASP_portals__default_skins_dnncontra_home_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:26:17,445 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_minimalextropy_index_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_rdaolvsl.Create_ASP_portals__default_skins_minimalextropy_index_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:26:17,445 [EC2AMAZ-VRGA941][Thread:5][FATAL] DotNetNuke.Framework.PageBase - An error has occurred while loading page.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:26:17,445 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - ~/Default.aspx?tabid=1172&error=terminate
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:26:17,695 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
   --- End of inner exception stack trace ---
2021-03-30 19:42:58,038 [EC2AMAZ-VRGA941][Thread:26][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_lancer_inner_manage_standard_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_kglfmr2h.Create_ASP_portals__default_skins_lancer_inner_manage_standard_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:42:58,054 [EC2AMAZ-VRGA941][Thread:26][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_minimalextropy_index_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_rdaolvsl.Create_ASP_portals__default_skins_minimalextropy_index_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:42:58,054 [EC2AMAZ-VRGA941][Thread:26][FATAL] DotNetNuke.Framework.PageBase - An error has occurred while loading page.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:42:58,054 [EC2AMAZ-VRGA941][Thread:26][ERROR] DotNetNuke.Services.Exceptions.Exceptions - ~/Default.aspx?tabid=460&error=An unexpected error has occurred&content=0
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:42:58,070 [EC2AMAZ-VRGA941][Thread:19][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_lancer_inner_manage_standard_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_kglfmr2h.Create_ASP_portals__default_skins_lancer_inner_manage_standard_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:42:58,070 [EC2AMAZ-VRGA941][Thread:19][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_minimalextropy_index_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_rdaolvsl.Create_ASP_portals__default_skins_minimalextropy_index_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-30 19:42:58,085 [EC2AMAZ-VRGA941][Thread:19][FATAL] DotNetNuke.Framework.PageBase - An error has occurred while loading page.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:42:58,085 [EC2AMAZ-VRGA941][Thread:19][ERROR] DotNetNuke.Services.Exceptions.Exceptions - ~/Default.aspx?tabid=460&error=terminate
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-30 19:42:58,116 [EC2AMAZ-VRGA941][Thread:19][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
   --- End of inner exception stack trace ---
 

Veteran Member
Posts: 1246
Veteran Member
MVP
MVP
You're an MVP!
I think that you need to set those values to NULL rather than 'null'. The first is an actual null, whereas the second is the character string.
New Around Here
Posts: 22
New Around Here

Dear Joe,

Thank you for clarifying on the NULL issue. So, we ran the earlier-mentioned queries using the correct NULL and then did the upgrade. However, again ran into the DNN error on restarting the upgraded instance.

Here is the error log generated. Please guide.

2021-03-31 15:03:10,667 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_dsij_web_3_home_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_ixbezfn5.Create_ASP_portals__default_skins_dsij_web_3_home_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-31 15:03:10,667 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_minimalextropy_index_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_s5ciyx3e.Create_ASP_portals__default_skins_minimalextropy_index_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-31 15:03:10,667 [EC2AMAZ-VRGA941][Thread:7][FATAL] DotNetNuke.Framework.PageBase - An error has occurred while loading page.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-31 15:03:10,667 [EC2AMAZ-VRGA941][Thread:7][ERROR] DotNetNuke.Services.Exceptions.Exceptions - ~/Default.aspx?tabid=1108&error=An unexpected error has occurred&content=0
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-31 15:03:10,684 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_dsij_web_3_home_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_ixbezfn5.Create_ASP_portals__default_skins_dsij_web_3_home_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-31 15:03:10,684 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Unhandled error loading page. ---> System.InvalidOperationException: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at DotNetNuke.UI.Skins.Skin..ctor()
   at ASP.portals__default_skins_minimalextropy_index_ascx..ctor()
   at __ASP.FastObjectFactory_app_web_s5ciyx3e.Create_ASP_portals__default_skins_minimalextropy_index_ascx()
   at System.Web.Compilation.BuildResultCompiledType.CreateInstance()
   at System.Web.UI.TemplateControl.LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, Object[] parameters)
   at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath)
   at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
   at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)
   --- End of inner exception stack trace ---
2021-03-31 15:03:10,698 [EC2AMAZ-VRGA941][Thread:5][FATAL] DotNetNuke.Framework.PageBase - An error has occurred while loading page.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-31 15:03:10,698 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - ~/Default.aspx?tabid=1108&error=terminate
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
2021-03-31 15:03:10,698 [EC2AMAZ-VRGA941][Thread:5][ERROR] DotNetNuke.Services.Exceptions.Exceptions - DotNetNuke.Services.Exceptions.PageLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.UI.Skins.Skin.GetSkin(PageBase page)
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.d__225.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Util.WithinCancellableCallbackTaskAwaitable.WithinCancellableCallbackTaskAwaiter.GetResult()
   at System.Web.UI.Page.d__523.MoveNext()
   --- End of inner exception stack trace ---

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I think that there were some references to that error earlier in the thread. Did you check them?
New Around Here
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Yes Joe.

We compiled again and eliminated the AppCode folder. We are on a Dotnet 4.7.2 framework, We also updated all references of minimal in the database as mentioned in the queries in my earlier post. YET :(

The site works fine after a successful upgrade but starts giving DNN error when the instance is restarted. What to do.

New Around Here
Posts: 22
New Around Here

Yes Sebastian.

We compiled again and eliminated the AppCode folder. We are on a Dotnet 4.7.2 + framework, We also updated all references of minimal in the database as mentioned in the queries in my earlier post. YET :(

The site works fine after a successful upgrade but starts giving DNN error when the instance is restarted. What to do.

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You have never answered the questions about custom modules. Have you any of these?
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Google: No service for type 'DotNetNuke.UI.Modules.IModuleControlPipeline' has been registered.

You will find several threads that relate to this issue.
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