Function module '&' is not defined
Message type: E = Error
Message class: OL - Workflow object types: Run-time system
Message number: 325
Message text: Function module '&' is not defined
What causes this issue?
The function module you have specified as the implementation for this
method does not exist in the function library.
How to fix this error?
Select a function module which exists.
Error message extract from SAP system. Copyright SAP SE.
