Logminer unable to Find the logs, SYS.DBMS_LOGMNR.START_LOGMNR reports "ORA-01291: missing logfileThank you in Advance!
This issue is comes because the log miner is still operating and causing this issue, we must use DBMS_LOGMNR.END_LOGMNR to shut it and restart the log minner.
execute DBMS_LOGMNR.END_LOGMNR;