1-1.Confirm Export and Import processes are running and let the message flow which seq number above 12345(ex.12346)
1-2.Try sp_ctrl> reconcile queue Q1 seq 12344(or below ex.12343,12342,12341)
2-1.Confirm Export and Import processes are running and let the message flow which SCN number above 12345(ex.12345)
2.2 Try sp_ctrl> reconcile queue Q1 SCN 12344(or below ex.12343,12342,12341)
Note the difference sequence number from SCN.