| ERROR | 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. |