Oracle : Ошибка ORA-14012

"resulting partition name conflicts with that of an existing partition"
*Cause: Name of a partition resulting from splitting of an
existing table or index partition is identical to that
of some other existing partition of that table or index
*Action: rename resulting partition(s) to ensure that their names
are distinct and different from those of any other partition
of the table or index

Попробовать перевести

Поискать эту ошибку на форуме