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Forums Using DNN Platform Performance and Optimization

Could not load type 'DotNetNuke.UI.Skins.Controls.Nav'. errors after upgrade to DNN 10.1.1

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Tom Melkonian
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7/21/2026 5:31 PM

Hi, 

After upgrading to DNN 10.1.1, I'm getting some errors that are referencing: Could not load type 'DotNetNuke.UI.Skins.Controls.Nav'.

From what I understand this is caused by the old Nav.ascx control, but I'm having trouble finding where that is in any of my old skin files. 

This is causing errors in the Admin Logs even for pages which have long been hidden from the public. 

Where should I look to fix these errors?

Thanks

Tom

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