That is because you are on a mac.
I have no idea were to find this file on a Mac.
That's a pretty non-standard video spec, one that is not available in Premiere Elements. Premiere Elements is designed to work with basic consumer formats like standard definition, 1280x720, 1920x1080 and 4K S-AVC.
You may struggle editing a video with those non-standard dimensions in this program.
Thanks, Steve. Maybe my best bet then would be to import the video file in question, then export it with 1920x1080 resolution, then use that exported clip in my project. Would I lose a lot of quality by doing this?
I can't promise that will work, but it's worth a try, I suppose.
I don't see why this will not work.
This is btw the only way to get the clip stabilized.
Clips that don't match the project setting will not stabilize.: error message comes up.