See https://wordpress.org/support/topic/plugin-breaks-bbpress-profile-editing/
When you click on someone’s username in a bbPress forum, it brings up information from your WordPress profile and integrates it into your site’s theme. If you’re viewing your own profile, you can also edit it from there, without ever going into wp-admin:
When enabling Two Factor, however, it completely breaks the page, and produces this error at the bottom of a stream of unformatted text:
Fatal error: Uncaught Error: Call to undefined function convert_to_screen() in /home/public/wp-admin/includes/class-wp-list-table.php:143 Stack trace:
#0 /home/public/wp-content/plugins/two-factor/providers/class.two-factor-fido-u2f-admin.php(189): WP_List_Table->__construct()
#1 /home/public/wp-includes/class-wp-hook.php(298): Two_Factor_FIDO_U2F_Admin::show_user_profile(Object(WP_User))
#2 /home/public/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters('', Array)
#3 /home/public/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#4 /home/public/wp-content/plugins/two-factor/class.two-factor-core.php(636): do_action('show_user_secur...', Object(WP_User))
#5 /home/public/wp-includes/class-wp-hook.php(298): Two_Factor_Core::user_two_factor_options(Object(WP_User))
#6 /home/public/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters('', Array)
#7 /home/public/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#8 /home/public/wp-content/plugins/bbpress/includes/users/functions.php(1662): do_action('show in /home/public/wp-admin/includes/class-wp-list-table.php on line 143
See https://wordpress.org/support/topic/plugin-breaks-bbpress-profile-editing/