OGG-02934
Error failed to start alias Extract. Manager replied message: {0}.
Cause
An Oracle GoldenGate component failed to start alias Extract.
Action
Check the report file that is issued by the process, and check the error log for other messages adjacent to this one that might help you resolve the problem. Make certain Manager is running for other processes to start. The database also must be running. Trail files must be properly created. Parameter files must be in the expected location. For additional help, see the Oracle GoldenGate troubleshooting documentation. If you cannot resolve the problem, contact Oracle Support.