Unable to generate quizes, even with pro subscription

How bad is this?: Not working

I am unable to generate quizes in my study set, i tried for other sets nad having the same issue.

BetterCampus context

• correlation_id: 3e4b147f-f716-4852-a83d-5ce036788032
• bc_surface: navigator
• bc_extension_version: 8.1.0
• browser_platform: Windows