Possible solutions when divi builder does not work - kary4/divituts GitHub Wiki
nginx servers:
I figured it out! My nginx settings were wrong and couldn't handle multiple query strings. I updated my nginx config file with the following to make it work. Under location / I now have try_files $uri $uri/ /index.php$is_args$args; instead of try_files $uri $uri/ /index.php?args; see the mistake? I had a ? instead of a $. sigh
https://www.elegantthemes.com/forum/viewtopic.php?f=187&t=642594&p=3771875#p3771875