# GapFill where MsgSeqNum is less than the expected inbound MsgSeqNum

iCONNECT
I8=FIX.4.0|35=A|34=1|49=TW|52=<TIME>|56=ISLD|98=0|108=30|
E8=FIX.4.0|9=57|35=A|34=1|49=ISLD|52=00000000-00:00:00|56=TW|98=0|108=30|10=0|

# sequence reset with gap fill flag set to Y, PosDupFlag set to Y
I8=FIX.4.0|35=4|34=1|49=TW|52=<TIME>|56=ISLD|43=Y|122=<TIME-1>|36=20|123=Y|
I8=FIX.4.0|35=1|34=2|49=TW|52=<TIME>|56=ISLD|112=HELLO|
E8=FIX.4.0|9=55|35=0|34=2|49=ISLD|52=00000000-00:00:00|56=TW|112=HELLO|10=0|

# sequence reset with gap fill flag set to Y, PosDupFlag set to N
I8=FIX.4.0|35=4|34=1|49=TW|52=<TIME>|56=ISLD|36=20|123=Y|
E8=FIX.4.0|9=94|35=5|34=3|49=ISLD|52=00000000-00:00:00|56=TW|58=MsgSeqNum too low, expecting 3 but received 1|10=0|
eDISCONNECT