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Random frames have huge blue lines through them.

I'm trying to render out some frames of a flythrough to make a video. I put everything together in the sequencer and it looks fine, but when I make a png sequence from it, random frames have huge blue boxes in them. Top is what it's supposed to look like, bottom is what's happening

alt text alt text

Product Version: UE 4.17
001.png (846.7 kB)
002.png (659.8 kB)
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asked May 18 '18 at 12:39 AM in Rendering

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avatar image db_vizpix Nov 06 '18 at 04:32 PM

Did you ever find out what caused this? I've been having a similar issue when rendering a jpeg sequence.. it looks fine when I render a 1280 x 720 but when I try to render it at a higher resolution I get random frames smearing or blurring. It happens to about 10 out of 3000 frames. Very frustrating :(

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