Getting Uncaught TypeError: d.HierarchicalDragAndDrop is not a constructor when trying to use DragandDrop

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James
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James asked on 04 Aug 2025, 08:35 PM | edited on 04 Aug 2025, 08:36 PM
Trying to use DragandDrop on 2 treeviews to drag from one tree to another. I believe I have all JS components loaded properly but still getting this error the tree data will load otherwise with DragandDrop set to false. Any help or direction would be appreciated.  Full Error can be seen below
jquery.min.js:2 Uncaught TypeError: d.HierarchicalDragAndDrop is not a constructor
    at init._dragging (kendo.treeview.js:2490:2)
    at new init (kendo.treeview.js:2490:2)
    at HTMLDivElement.<anonymous> (kendoLayout.min.js:1:42737)
    at ce.each (jquery.min.js:2:3129)
    at ce.each (jquery.min.js:2:1594)
    at ce.kendoTreeView (kendoLayout.min.js:1:42713)
    at HTMLDocument.<anonymous> (RolesPermissions:933:116)
    at e (jquery.min.js:2:27028)

Mihaela
Telerik team
commented on 07 Aug 2025, 10:29 AM

Hello James,

Would you please share the TreeView components declaration and any related JS logic to review it?

Also, please let me know which Telerik UI for ASP.NET MVC version is used in the application.

Thank you for your cooperation.

Best,
Mihaela

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