The current script isn't working now... -_-

Code:
on *:text:*:#: {
  if ($strip($1) == !viewerupdate) {
    if ($strip($2) == $null) {
      msg $chan Viewer Update Has Been Started 
      .timer.update 0 1800 sayviewers $chan zacbot661 nightbot wizebot
    }
    if ($strip($2) == off) {
      msg $chan Viewer Update has been stopped
      .timer.update off
    }
  }
}

alias sayviewers {
  set %viewers $nick($1,0)
  var %v = 1
  while (%v <= $nick($1,0)) {
    if ($istok($2-,$nick($1,%v),32)) {
      dec %viewers 1
    }
    inc %v
  }
  msg  $1 Viewers -> %viewers
}