I am having trouble with this if someone can advise and show me where i am going wrong it will be much appreciated

Code:
 /allchans {
  var %i = 1
  while (%i <= $chan(0)) {
    if ($me !isop $chan(%i)) {
      os mode $chan(%i) +o $me | mode $chan(%i) + $+ $1
    }
    inc %i
  }
}


it just keeps on crashing

Newbie