Oracle : Ошибка ORA-38733

"Physical size %s less than needed %s."
*Cause: A flashback database log file shrank in size. This
was likely to have been caused by operator or operating
system error.
*Action: If you are doing a FLASHBACK DATABASE, then the flashback
cannot be performed because of the corrupted log. A restore
and an incomplete recovery must be performed instead.

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