Oracle : Ошибка ORA-12001


"cannot create log: table '%s' already has a trigger"
*Cause: Materialized view logs are filled by a trigger on the master table.
That trigger cannot be created.
*Action: To create a materialized view log, drop the current trigger on the
master.

Попробовать перевести


Поискать эту ошибку на форуме