SAP Message USMD5016 - Error while performing the action &1

System Response
The workflow has an error status.

Procedure
Look at the details in the application log:
Transaction: SLG1
Object: &V2&
Subobject: &V3&
Ext. Identif: &V4&

Procedure for System Administration
Correct the error and restart the workflow using the workflow runtimetool.