Oracle : Ошибка ORA-12321

"database (link name %s) is not open and AUTO_MOUNTING=FALSE"
*Cause: The secondary database that your instance is attempting to mount
is not open and automatic mounting has not been enabled.
*Action: Manually mount and open the secondary database using
ALTER DATABASE with the OPEN and MOUNT options.
Alternately, to allow your instance to automatically mount and
open secondary databases, set the AUTO_MOUNTING parameter in the
parameter file to TRUE.

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