Real problems with class.

I don't know why but have a problem in my enemy class, and i read and re-read, the problem is(i think so), i make a class for the enemies and i used the tool for random generetion, and i tried to call the class is the principal main but doesn't worked, so plis, HELP ME I TRIED TO DO MY BETTER

link of my game: https://microstudio.io/rianstar/ghosthunt/

THANKS FOR THE HELP.

main file

init = function()
.....
  enemies = []
  for i=1 to 10 by 1
    enemies.push( new Enemy())
  end
end


update = function()
......
  for e in enemies
    e.update()
  end
......

draw = function()
......
  for e in enemies
    e.draw()
  end
......

enemies file

Enemy = class
  constructor = function()
    this.x = random.intInRange(-152,152)
    this.y = random.intInRange(-80,80)
    this.speed = 1.8
    this.facing = ghost.facing
    this.width = 16
    this.heigth = 16
    this.health = 2
  end
  
  Movement = function()
    if ghost.x > this.x then
      this.x += 0.8
    end
    if ghost.x < this.x then
      this.x -= 0.8
    end
    if ghost.y > this.y then
      this.y += 0.8
    end
    if ghost.y < this.y then
      this.y -= 0.8
   end
  end
  
  update = function()
    Movement()
  end
    
  draw = function()
    screen.drawSprite("red",x,y,16,16)
  end
end

@Loginus thank you too much