SAP Message WL372 - Restart Workflow &: Subworkflow & could not be restarted

Diagnosis
(Sub)workflow no. &V2& could not be restarted after an error becausethe work item manager function 'SWW_WI_ADMIN_ERROR_RESTART' returnedexception &V3&:
1,,update_failed
2,,no_authorization
3,,invalid_status
4,,others
More information about the cause of the error can be found in theworkflow log for workflow number &V2&.

System Response
Processing was continued.

Procedure
Please examine the workflow log for workflow &V2&. Eliminate any errorsand restart the workflow by selecting the function Restart aftererror.