Please use transaction BOBX for the maintenance of enhancements

What causes this issue?

Transaction BOBX was opened for the creation and the maintenance of
Business Object enhancements.
Transaction BOBX offers more functionality than transaction BOB
regarding enhancements, e.g. Alternative Keys can be created.

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?

Please use transaction BOBX for enhancements.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.