An unhandled exception occurred during the execution of the workflow instance


RequestorId: a6721745-8c82-cf39-0000-000000000000. Details: An unhandled exception occurred during the execution of the workflow instance. Exception details: System.ApplicationException: HTTP 404 {“Transfer-Encoding”:[“chunked”],”X-SharePointHealthScore”:[“0″],”SPClientServiceRequestDuration”:[“1443″],”SPRequestGuid”:[“a6721745-8c82-cf39-8e70-854ddb459a48″],”request-id”:[“a6721745-8c82-cf39-8e70-854ddb459a48″],”X-FRAME-OPTIONS”:[“SAMEORIGIN”],”MicrosoftSharePointTeamServices”:[“″],”X-Content-Type-Options”:[“nosniff”],”X-MS-InvokeApp”:[“1; RequireReadOnly”],”Cache-Control”:[“max-age=0, private”],”Date”:[“Fri, 06 May 2016 15:11:16 GMT”],”Server”:[“Microsoft-IIS\/8.5″],”X-AspNet-Version”:[“4.0.30319″],”X-Powered-By”:[“ASP.NET”]} 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)


In an SPD workflow, list item was being updated where it was unable to find the item.


This error seems to be very common and can occure for many reasons. In my case, one of the list’s item was being updated based on title. The item with that title was not there as it was changed and hence this error. So I changes the update to query based on ID rather than name.


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