The source and target ledgers specified are the same. This is invalid.

What causes this issue?

The source and target information entered are exactly the same. You
can not copy ledger information to itself.

System Response

Send error message.

How to fix this error?

Please specify a differenent combination of ledger, version, company
code and/or year.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.