# If message NextExpectedMsgSeqNum field is too high, we must disconnect

iCONNECT
iSET_SESSION FIXT.1.1:ISLD->TW NEXTSENDERSEQNUM=1
iSET_SESSION FIXT.1.1:ISLD->TW NEXTTARGETSEQNUM=1
I8=FIXT.1.135=A34=100049=TW52=<TIME>56=ISLD98=0789=12001137=7108=30

E8=FIXT.1.19=13535=534=149=ISLD52=00000000-00:00:00.00056=TW58=Tag 789 (NextExpectedMsgSeqNum) is higher than expected. Expected 1, Received 120010=0
eDISCONNECT