Merge Request Review Changes: "Something went wrong on our end"

On our repository we have been having no issue until recently . When checking branches we take a look at the changes made. Though since yesterday a message pops up “Something went wrong on our end. Please try again!”

This comes with Gitlab Displaying 0 files but yet there is files there.

Please check screenshot>>

I have used different computers different browsers waited for a day still same issue.

Thanks for taking the time to read this!