Oracle : Ошибка ORA-28543

"Error initializing apply connection to non-Oracle system"
*Cause: Attempt to initialize connection to non-Oracle for heterogeneous
replication failed.
*Action: Check if the listener used to connect to the gateway is up and is
correctly configured. Make sure that the database link used has
been configured correctly and, if a tnsnames alias has been used
in the database link definition, make sure that the configuration
of the entry in tnsnames.ora has been done correctly.

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