Oracle : Ошибка ORA-31672

"Worker process %s died unexpectedly."
*Cause: A Data Pump process model worker process died unexpectedly, so
PMON is cleaning up the process.
*Action: Check your system for problems. Check the trace file for the
process, if one was created, for any additional information.
Correct the error, if possible, and try the operation again. If
the error occurs again, contact Oracle Customer Support and report
the error.

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