Oracle : Ошибка ORA-31622

"premature end of file at block %s"
*Cause: The end of the dump file input was unexpectedly reached. This is
caused either by a corrupted Data Pump export dump file or by an
Oracle internal error. This message should be preceded by another
message identifying the name of the dump file in question.
*Action: Retry the Data Pump import operation. Contact Oracle Support
Services if the problem persists.

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