I have a document review workflow that, at one stage, copies the document over to another library. Recently, I started having a problem where, when it gets to the copy document action, the workflow goes to suspended and will not move on. The document is not copied.

This is the error that is showing up next to the 'Suspended' workflow status:

Details: An unhandled exception occurred during the execution of the workflow instance. Exception details: System.ArgumentNullException: Value cannot be null. Parameter name: Input at Microsoft.Activities.Hosting.Runtime.Subroutine.SubroutineChild.Execute(CodeActivityContext context) at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager) at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

Any ideas?

  • Did you checked your page has been checked in ? and check you have any item level permission .At last check al the mandatory fields are entered and then form has been saved. – software dev Feb 24 '16 at 9:00
  • This is what I found thanks to MaartenSundmanSlalom Consulting: 253 characters from the end of the FQDN, not a bug, by design and same behavior exists in Windows too :) – RJaxx Mar 14 '16 at 19:24

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