I recently ran into an issue where I can’t see or edit any of passes for my game and when I “create” new ones they don’t appear on my creator dashboard. My old passes appear under my game but when I try and edit them I get an error page. I’ve also tried switching browsers but this didn’t help. Below is a video of me trying to create a badge and getting the error in question and then trying to create a pass only for the pass not to appear.
Have you tried looking for a post about it in #bug-reports? That’s your best bet. If it isn’t already in there, you should make a post reporting it IF you have access to. If you don’t, your best bet would be to email Roblox Support.