Topic
Workflows configured to start on SharePoint list/library events can stop working and the following errors appear in the Event Viewer:
"----------------------------------------------------------------------------------------------------------- An error has occurred in a K2 for SharePoint component. [Error details]: The GetK2FQN method could not resolve the user supplied: 82580ac2-271a-444f-922d-4e289b246dd1 [Assembly]: SourceCode.SharePoint15.Event.WebService [Class]: SourceCode.SharePoint15.Event.WebService.RemoteEventService [Method]: StartProcess [Verbosity]: Detailed ------------------------------------------------------------------------------------------------------------ An error has occurred in a K2 for SharePoint component. [Error details]: 0 Unknown Event Occured. [Assembly]: SourceCode.SharePoint15.Event.WebService [Class]: SourceCode.SharePoint15.Event.WebService.RemoteEventService [Method]: StartProcess"
Instructions
This issue can be resolved by opening the App Catalog site and re-running the registration wizard and then re-activating site collections containing the affected lists and/or libraries.