Failed to validate project for upload

Whenever I try publishing my map I get this error with a message “Failed to validate project for upload”.

Nevermind, I fixed it by randomly moving my project file around

the project file in the file explorer? i’m currently having this issue and it’s driving me crazy because i have no idea how to fix it.

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I too am having this issue…

Im gonna be honest I have no idea how I even fixed it. Whenever I launch UEFN I get a notification saying “Your project is backed with OneDrive which may cause conflicts”, so I thought that maybe that was the issue so I moved my folders around so it wasn’t in my OneDrive. Apparently its still backed by my OneDrive but it works so I don’t know what I did to make it work. Sorry that I couldnt help

I will try moving my project folder(s) outside of my OneDrive in that case.

Update: I have solved the issue and I am not sure how as well. I moved my folder a couple times and after like 6-9 tries it was fixed.

Heres something I looked at but I didn’t understand what they were saying, this may help you: https://twitter.com/Wertandrew/status/1639835612521070593