Oracle : Ошибка ORA-15156


"cluster in rolling upgrade from version [%s] to [%s]"
*Cause: The current software version of the instance was incompatible with
the rolling upgrade operation of the cluster.
*Action: The version number of new member instance must be one of the two
versions involved in the rolling upgrade.


Попробовать перевести


Поискать эту ошибку на форуме