SAP Message AXT_GEN146 - Catalog cannot be locked

Diagnosis
The enqueue process &V1& failed for enhancement &V2&.
Each enhancement has a catalog that lists all objects that are to begenerated.

System Response
The generation of your enhancement failed.

Procedure
Check whether another user is generating in parallel. If you are theonly user who is generating an enhancement and this issue persists,contact SAP support.

Procedure for System Administration
Catalog or element ID: &V3&