Assist edge error

anyone familiar with this error.

ystem.Exception: COM object that has been separated from its underlying RCW cannot be used.
at EV.AE.Studio.ActivityLibrary.Utils.NativeActivityBase.OnActivityCompletedAction(NativeActivityContext activityContext)
at EV.AE.Studio.ActivityLibrary.AEApplication.OnFaulted(NativeActivityFaultContext faultContext, Exception propagatedException, ActivityInstance propagatedFrom)
at System.Activities.Runtime.FaultCallbackWrapper.Invoke(NativeActivityFaultContext faultContext, Exception propagatedException, ActivityInstance propagatedFrom)
at System.Activities.Runtime.FaultCallbackWrapper.FaultWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

Hi,

Which activity are you using and what is the use case you are trying to automate

Regards,
Amit