SAP Message WL445 - Workflow & feedback work item &: Workflow instance data not in database

Diagnosis
When a response message was sent by work item &V2&, the data of therelated workflow instance &V1& could not be found in the database.
INCLUDE NA_WF_ERROR OBJECT DOKU ID TX

Procedure
This error indicates a serious inconsistency in the database or in theworkflow administration. The workflow may have been deleted before allits activities had been completed. Use the workflow log to try to findthe reason for this inconsistency.