Oracle : Ошибка ORA-08436

"raw data has invalid sign digit"
*Cause: The input raw buffer passed to a UTL_PG RAW_TO_NUMBER
conversion routine had an invalid sign digit in the
position where the picture mask specified a sign.
*Action: Correct the input raw data or the picture mask so that
they match.

Попробовать перевести

Поискать эту ошибку на форуме