idk why do u think that it's Advanced kick or kb.
;1. u don't must to Check ($2- != $null) u can use $$2 -
on *:text:!adkb *:#privatechannel: {
mode $$2 +b $$3
kick $$2 $$3 $4-
}
;2.u can use
on @*:TEXT:!k*:#:{
if ($nick == user) { kick $$2 $$3 $4 }
}
;or
on @*:TEXT:!k *:#:{
if ($nick == user) { kick $chan $$2 $3- }
}
simpely