I keep getting error. I removed assets from the file and it gives the same error for a different one. I don't understand what this means. I've tried re doing the zip file several times. I don't know what it means or how to fix it. I am trying to upload a zip file and have done so previously with no problem. 
hmm. I’m not sure I could help because I did fix it but then I went to add a new file (my beta testers sent feedback and I fixed some stuff) and then when I went to do that, it gave me the error again! But, I tried again and it worked. I’m really wondering if it’s an itch.io problem.
the originally way I solved it probably not helpful. I have a Mac computer. You can replace folders with images. I had the zip file in one of those. I figured that maybe the image attached to the folder was causing the problem. So I created a new, regular folder and the zip file worked.
But as I said above, it glitched again later for no reason. It seems really random. I’m hoping someone who actually has insight from their team can give an explanation because it doesn’t make sense.
also found this on Reddit but it didn’t apply to me. Maybe you? https://www.reddit.com/r/RPGMaker/comments/zwmcjy/mv_headscratcher_when_uploading_package_to_itchio/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=1&utm_term=1
I saw that one post and didn't look too much into it as I'd already done some of the steps and it worked before. I guess I'll go a little further into it. Not sure if your method will help much but thanks for responding. It's interesting that most of these seem to be reported in the past few days. I uploaded the project a few days ago and it worked fine and suddenly it's busted. So I'm guessing/hoping you're right that it's an Itch problem.
Yes, I've been doing updates for my game for almost a year and never had this problem before. When it happened again, I closed out and refreshed and it somehow worked. Hopefully it's resolved soon.
