Text animation/slide glitch

Hi, I'm using Resolve 12.5 to make a text animation for a title overlay on a video clip.

I'm getting a strange effect when the text is still and nothing should be happening to it, the location slightly changes back and forth. It's more noticeable in resolve itself and against a non-black background.

I would post a link to an example here, but I'm not allowed to.

Since I can post it now, here's the example: