(1062) SYSTEM ERROR: ixfil called during resyncing

Hi 

I recently join. I can see some error logs in the mfgsys.lg as below, what does it mean ? we use OpenEdge 10 with Epicor 9 and having some issues recently 

 T-9908  I APPSRV 80: (2252)  Begin transaction backout.
[2019/08/21@15:28:24.103-0400] P-5688       T-9908  I APPSRV 80: (2253)  Transaction backout completed.
[2019/08/21@15:28:24.104-0400] P-5688       T-9908  I APPSRV 80: (2252)  Begin transaction backout.
[2019/08/21@15:28:24.104-0400] P-5688       T-9908  I APPSRV 80: (2253)  Transaction backout completed.
[2019/08/21@15:28:24.268-0400] P-5688       T-9908  F APPSRV 80: (1062)  SYSTEM ERROR: ixfil called during resyncing
[2019/08/21@15:28:25.295-0400] P-5688       T-9908  I APPSRV 80: (453)   Logout by SYSTEM on batch.
[2019/08/21@15:28:28.190-0400] P-2876       T-11236 I APPSRV 65: (452)   Login by SYSTEM on batch.
[2019/08/21@15:28:28.258-0400] P-2876       T-11236 I APPSRV 65: (12699) Database mfgsyssh Options: