Oracle Error Message
ORA-01321: No Logminer Dictionary for requested start SCN
Reason for the Error
The requested session start SCN is less than the SCN of any available Logminer Dictionary build. It is not possible to unwind a Logminer Dictionary to the requested start SCN.
Solution
Re-issue the start_logminer request with a start SCN for which a Logminer Dictionary is available.