Program Monitor plays footage squished
This only happens with certain clips, it doesn't seem to matter whether they're from the same camera or not. In fact, the clips I'm having this issue with were filmed on the exact same camera, only a few minutes apart.
When I press play in Premiere Pro, the footage suddenly gets squished and occasionally displays glitchy horizontal lines, as shown in the attached image. I'm not sure what's causing it or how to fix it, but it's been getting in the way of my editing workflow quite a bit. Please Help!


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