I had the same problem whenn trying to submit my app for review but in my case I tried to submit my app for review after I uploaded the images. when I got the error, I only refreshed the page and submitted again and it worked
leleking
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen