SAP Message CACSOA171 - Not all functions defined in application plug '&1' exist

Diagnosis
While attempting to create a worklist for objectassignment, the system has detected an error. At least one of thefunction modules that implement the methods ofthe application plug does not exist in the system.

System Response
You cannot continue processing under these circumstances. Processing isterminated.

Procedure
Check the application plug for the assignment typeof the definition for worklist for which you wishto create a worklist.