Bypassing Cloudflare protection
Sometimes instead of screenshots from your Production environment, you can get something like this:
This happens because of Cloudflare protection. The problem is that CDN recognizes our bots as "Fake google bot". We do it on purpose in order not to affect your Google analytics.
So what you need to do is you can change the User-Agent back to mimic the actual browser so it will allow creating screenshots. This can be done on Project's settings page: