Oracle : Ошибка ORA-04051

"user %s cannot use database link %s.%s"
*Cause: During forwarding of a remote object access, an attempt was
made to use a non-existent database link or one owned by
a user other than the logon user or PUBLIC.
*Action: Change your database link structure so that all indirect remote
accesses are done from the same userid that originates the

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