Oracle : Ошибка ORA-31633

"unable to create master table \"%s.%s\""
*Cause: Job creation failed because a Master Table and its indexes could
not be created, most commonly due to the pre-existance of a table
with the same name (job name) in the user schema. Refer to any
following error messages for clarification.
*Action: Select a different job name, DROP the existing table, or eliminate
any problems indicated by the following error messages.

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