Diagnosis
You tried to get change access to data that is currently beingprocessed by user &V1&.

System Response
The system only allows data to be changed by one user at one time.

Procedure
You can do one of the following:

• Confirm the message to view the data in display mode


• Exit the transaction and try again later

Hinweis
So as not to block code groups for all users, try to avoid editing theentire catalog. Instead, call only the code group you require.