I'm use theme wplms_modern and update theme and every plugins to lastest version (2.1) . When I login with modern login it work correctly (can register and login from facebook member).
But when login by use url-> "https://thaidemy.com/wp-login.php?action=login" (My website is https://thaidemy.com). The Facebook login's button have issue and the link show "javascript:void(0)"
This issue is just fixed in the recent update of wplms and bp social connect plugin .
Can you please provide your wp-admin credentials and site url in a private reply to check the issue at your end .