Oracle : Ошибка ORA-30946

"XML Schema Evolution warning: temporary tables not cleaned up"
*Cause: An error occurred after the schema was evolved while cleaning up
temporary tables. The schema evolution was successful
*Action: If the user needs to remove the temporary tables, use the mapping
table to get the temporary table names and drop them.

Попробовать перевести

Поискать эту ошибку на форуме