Oracle Solution for Error ora-53050

Solution for Oracle Error ORA-53050

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

What triggered the Error:

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.

What should we do to fix it:

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