Oracle : Ошибка ORA-31631

"privileges are required"
*Cause: The necessary privileges are not available for operations such
as: restarting a job on behalf of another owner, using a device
as a member of the dump file set, or ommiting a directory
object associated with any of the various output files.
Refer to any following error messages for additional information.
*Action: Select a different job to restart, try a different operation, or
contact a database administrator to acquire the needed privileges.

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