Oracle : Ошибка ORA-25109

"standby lock name space has illegal character '%s'"
*Cause: An invalid lock name space was specified for the standby database.
The lock name space for the standby database can only contain
A-Z, 0-9, '_', '#', '$', '.' and '@' characters.
*Action: Change initialization parameter _STANDBY_LOCK_NAME_SPACE to
a valid character string.

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