on *:ban:#:{
if ($nick != $me) {
writeini -n seen.ini seen $nick I Last Saw $bnick $time(mmm dd yyyy hh:nn:tt) getting Banned by $nick in $chan
}
}

should be

on *:ban:#:{
if ($nick != $me) {
writeini -n seen.ini seen $bnick I Last Saw $bnick $time(mmm dd yyyy hh:nn:tt) getting Banned by $nick in $chan
}
}