Oracle : Ошибка ORA-31624

"A job cannot be modified after it has started."
*Cause: The user attempted to change the definition of a Data Pump job
through filters, transforms or parameters after it had started.
These changes can only be made while defining a job.
*Action: Stop the current job and rerun it with the correct definition.

Попробовать перевести

Поискать эту ошибку на форуме