It appears it was an issue on their side and they've started processing the queue of screenshots, some may need to re-upload but it will take a few hours at least for them to process the entire queue.
PaybackTony
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
User for