SAP Message WA645 - Type linkage between & & and &: Status "no errors" cannot be set

Diagnosis
The specified linkage from object type and event to receiver was to beset to status error, but the status could not be changed.

System Response
The action was aborted and the status remains unchanged.
INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Procedure for System Administration
Check whether the specified linkage exists.