GUI Window Won't Show

[iDevon]

        ShopWindow = guiCreateWindow(331, 236, 340, 226, "Burger Shop", true) 
        guiSetAlpha(ShopWindow,225) 
        burgerBTN = guiCreateButton(24, 145, 69, 27, "Buy (50HP)", true, ShopWindow) 
        guiSetFont(burgerBTN, "default-bold-small") 
        BurgerIMG = guiCreateStaticImage(10, 45, 97, 90, "burger.png", true, ShopWindow) 
        FriesIMG = guiCreateStaticImage(234, 38, 80, 97, "fries.png", true, ShopWindow) 
        friesLBL = guiCreateLabel(10, 80, 77, 17, "Fries ($15)", true, FriesIMG) 
        guiSetFont(friesLBL, "default-bold-small") 
        burgerLBL = guiCreateLabel(24, 118, 79, 18, "Burger ($30)", true, ShopWindow) 
        guiSetFont(burgerLBL, "default-bold-small") 
        friesBTN = guiCreateButton(240, 145, 69, 27, "Buy (15HP)", true, ShopWindow) 
        guiSetFont(friesBTN, "default-bold-small") 
        hotdogIMG = guiCreateStaticImage(132, 46, 76, 85, "hotdog.png", true, ShopWindow) 
        hotdogLBL = guiCreateLabel(126, 118, 87, 17, "Hot Dog ($25)", true, ShopWindow) 
        guiSetFont(hotdogLBL, "default-bold-small") 
        hotdogBTN = guiCreateButton(132, 145, 69, 27, "Buy (25HP)", true, ShopWindow) 
        guiSetFont(hotdogBTN, "default-bold-small") 
        obviousLBL = guiCreateLabel(14, 189, 316, 27, "Purchasing any item on this list will refill your Health Points(HP) by the amount listed under each item. Each item will also cost the amount listed. ", true, ShopWindow) 
        guiLabelSetColor(obviousLBL, 24, 106, 22)     
        guiSetVisible(ShopWindow, true) 
  

My guicreateWindow script won't work, I tried another script with different attributes and it seemed to work just fine. Can someone tell me what's wrong with the current one I have?

[1LoL1]

Set of true to false in all.