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Vote

Drag&drop does not work after opening and closing a dialog

Dear Support ! 

 Drag&drop does not work after opening and closing a dialog.

Please watch the attached video (in Zip).

The error:

Uncaught (in promise) Error: System.ArgumentNullException: Value cannot be null. (Parameter 'source')
   at System.Linq.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
   at System.Linq.Enumerable.Where[TSource](IEnumerable`1 source, Func`2 predicate)
   at Syncfusion.Blazor.Kanban.SfKanban`1.DragStart(List`1 cards, Double left, Double top)
    at kt.endInvokeDotNetFromJS (blazor.server.js:1:3700)
    at blazor.server.js:1:72077
    at Array.forEach ()
    at kt._invokeClientMethod (blazor.server.js:1:72063)
    at kt._processIncomingData (blazor.server.js:1:70105)
    at connection.onreceive (blazor.server.js:1:64508)
    at o.onmessage (blazor.server.js:1:48842)

Simple Testkod in Attachment.

Thank you for your help!