This JOA was created with the simplified master data transaction

What causes this issue?

This JOA was created using the simplified JVA master data transaction.
If you proceed to save any changes to it with this transaction, you will
not be able to access the JOA with the simplified transaction
thereafter.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.