This would seem to be the relavant bit of the log-
2019/01/05 14:36:48.754 20344 26236 G1 Trying connection to Niamh, mode = 1
2019/01/05 14:36:48.838 26408 24676 S0 Activating Router carrier
2019/01/05 14:36:52.457 26408 24676 S0!!!CTcpConnectionBase[27]::HandleResolve(): Resolve failed, niamh, Error: system:11001
2019/01/05 14:36:52.457 20344 5848 G1!! LoginOutgoing: ConnectFinished - error: ConnectFailed