whenver I use AAA in my script, the file comes out like this?

I'm not really sure why, does anybody know? I posted something about this once before I think. I decided to re-post it because I found out the problem came from the aaa filter in my script. Can it be fixed? The resize in my script is correct Spline36resize(720,540). Do I need to adjust the aaa script or settings or something? the filter is called aaa or animeantialiasing

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