Oracle : Ошибка ORA-41501

41501, 0000, "parameter %s has had a type modification"
*Document: NO
*Cause: An attempt was made to migrate a session to another
instance that had modified the parmeter to a different
*Action: Avoid migration into this instance or reconnect without
setting the session parameter.

Попробовать перевести

Поискать эту ошибку на форуме