SAP Message WL472 - Workflow & number & container operation step &: Operation '&' unknown

Diagnosis
The operation code specified above is not assigned a known operation.This is probably an internal error in the Workflow Builder.

System Response
INCLUDE NA_WF_ERROR OBJECT DOKU ID TX

Procedure
Table SWD_NODES contains an incorrect / unknown operation code for therelevant container operation. Correct the workflow definition.