You cannot copy data within the same plan version
Message type: E = Error
Message class: GP - FI-SL and CO planning
Message number: 620
Message text: You cannot copy data within the same plan version
What causes this issue?
The reference and target objects are the same.
System Response
You can only copy planning data if the reference and target object are
different. You cannot copy values for the same object.
How to fix this error?
Correct your entry.
Error message extract from SAP system. Copyright SAP SE.