Oracle : Ошибка ORA-38758


"cannot flashback data file %s; restored since last recovery"
*Cause: An attempt to do FLASHBACK DATABASE found that the file was
restored since the last standby recovery. The file cannot be
flashed back.
*Action: The file must be taken offline before continuing with the
FLASHBACK DATABASE command.

Попробовать перевести


Поискать эту ошибку на форуме