Still not progress on that bro.. by the way thank you for your endless assistance and tireless help guys..

I change the codes to this..
----------------------------
on *:op:#: {
if ($opnick == $me) {
set -u0 %mb.nick 1
while ($nick($chan,%mb.nick,a) != $null) {
if ($ulist($address($nick($chan,%mb.nick,a),5),stick,1) != $null) {
tokenize 32 $ulist($address($nick($chan,%mb.nick,a),5),stick,1).info
mode $chan +b $address($nick($chan,%mb.nick,a),$mb.read(banMask))
kick $chan $nick($chan,%mb.nick,a) ( Blacklisted! )
mode $chan +b $address($nick,2)
}
inc %mb.nick
}
}
}
----------------------------
it works pretty well and no freeze on this time..

=)