Score Corrupting when Saving/Uploading it Online

Hello! I've been trying to upload a score I've been working on for a few days and when I first upgraded to Musescore 4, I decided to use the Save in Cloud function, however following that decision the score got corrupted. I managed to remove all of the corrupted measures and continue on as normal, and it wasn't labeled as corrupted anymore, however I tried to upload it and was met with a screen which said that the score could not be processed, and when I went to open the score again, it was corrupted; and this time, I can't find any corrupted measures myself. I do have a soundfont in use in the score so it could be that, but otherwise I'm not sure what to do to fix this issue. I would appreciate help :)