Oracle® Database 11g / 12c / 18c error codes ORA-53050: The data model is being edited by another user.

ORA-53050: The data model is being edited by another user.

Oracle Error Code: ORA-53050

Cause: The operation failed because the data model was being edited by another user. An exclusive lock could not be acquired for the lock - ORD_DATA_MODEL_LOCK.

Action: The data model can be edited by only one administrator at a time.