Oracle : Ошибка ORA-14138

"An unexpected error encountered during drop table operation"
*Cause: Drop table encountered an unexpected error.
*Action: a. Submit drop table purge, or
b. If the situation described in the next error on the stack
can be corrected, do so.
c. Contact Oracle Support.

Попробовать перевести

Поискать эту ошибку на форуме