Whats wrong with this code?

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window = CreateWindow("Woot My Game", 10, 30, 640, 480 )
canvas = CreateCanvas(0, 0, ClientWidth(window), ClientHeight(window), window )
SetGadgetLayout canvas, 1, 1, 1, 1
			 cls
Global Image
Image = LoadImage("ship3.gif")

SetBuffer CanvasBuffer(canvas)
DrawImage Image, 0, 0
	 flip
Repeat
	event = WaitEvent (1)
Until event = $803