"There was an error processing your request. Please try again later."

When I try submitting any of a bunch of apps for review for TestFlight, I get this error message. What am I meant to do?

I have the same issue, did you find an answer or solution?

Getting this more since the holidays. What's the problem? Is it me or Apple?

"There was an error processing your request. Please try again later."
 
 
Q