This code doesn't work, Why?

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Ive been looking at it for half an hour and I still cant find whats wrong with it, it says bad image handler, whats wrong?
AppTitle "Met"
Graphics 640,480,16

Global SamusSprites=LoadAnimImage("images\SAMUS2.png",85,85,0,24)

MaskImage SamusSprites,255,255,255

SetBuffer BackBuffer()

Repeat

Cls
DrawImage SamusSprites,0,0,0
Flip

Until KeyHit(1)