Orders exist already; planning version may have been uploaded mult. times

What causes this issue?

Orders exist already in liveCache and could therefore not be recreated
again. You have tried to load the data belonging to a planning version
multiple times.

System Response

How to fix this error?

Ignore this error. If you repeat section C of the upgrade, you should
initialize liveCache beforehand.

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.