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Forums Using DNN Platform Modules and Other Extensions

DNN 10.x Module Placement Issue

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JMD
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6/29/2026 12:30 PM

I'm looking for help troubleshooting a module placement issue that persists across multiple DNN versions.

Environment

  • Originally running DNN 10.2.3
  • Upgraded to 10.2.5
  • Upgraded again to 10.3.2
    • Hoping the upgrade would fix the problem, it did not
  • Using Mandeeps Porto 8 skin and modules
  • Also tested with built-in DNN skins and default modules

Original Issue

When editing a page and adding a module:

  1. Click Edit Page
  2. Click Add Module
  3. Select any module (HTML, default DNN modules, Mandeeps modules, etc.)

The module selection panel appears normally, but:

  • I cannot drag the module into a pane
  • I cannot reposition it
  • The UI appears unresponsive

If I refresh the page:

  • The module is added automatically
  • It appears at the top of the page (or in an unexpected location)
    • Any editing I do doesn't stick
  • I can only remove it from Page Settings

Additional Symptoms

Duplicate Shared Modules

When creating new pages using the Porto skin, I see shared modules automatically appearing in the footer.

Examples:

  • Shared Module 506
  • Shared Module 1008

Both display the same content.

Issues:

  • I cannot delete either module
  • They appear repeatedly on newly created pages
  • It seems like shared module references may be duplicated or corrupted

Theme Testing

To rule out Porto-specific issues, I tested:

  • Default DNN modules
  • Default DNN skin
  • Different page templates

Behavior remained the same:

  • Cannot drag or place modules
  • Modules appear after page refresh
  • Module placement UI does not function correctly

Browser Console Error

When attempting to add a module, the browser console reports an error similar to:

  • <!--ScriptorStartFragment-->Uncaught TypeError: Cannot read properties of undefined (reading 'left')<!--ScriptorEndFragment-->

The error appears to originate from:

  • <!--ScriptorStartFragment-->ModuleDialog.js

This occurs at the time the module placement UI is displayed.

Questions

  1. Has anyone seen module placement fail in this way on DNN 10.x?
  2. Could this be related to pane detection or pane registration?
  3. Has anyone experienced duplicated shared modules that cannot be removed?
  4. Are there any SQL checks or DNN diagnostic tools that would help identify pane or module registration issues?

Any guidance on where to look next would be greatly appreciated.

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