Fatal error: Uncaught Error: Call to undefined function use_block_editor_for_post_type() in /var/www/html/wp-admin/includes/class-wp-screen.php:328 Stack trace: #0 /var/www/html/wp-admin/includes/template.php(2391): WP_Screen::get('twmembership') #1 /var/www/html/wp-admin/includes/template.php(1342): convert_to_screen('twmembership') #2 /var/www/html/wp-content/plugins/tw-membership/classes.php(556): remove_meta_box('commentstatusdi...', 'twmembership', 'normal') #3 /var/www/html/wp-content/plugins/tw-membership/classes.php(458): MemberWunder\Application->initPostType() #4 /var/www/html/wp-includes/class-wp-hook.php(286): MemberWunder\Application->init('') #5 /var/www/html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #6 /var/www/html/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #7 /var/www/html/wp-settings.php(525): do_action('init') #8 /var/www/html/wp-config.php(96): require_once('/var/www/html/w...') #9 /var/www/html/wp-load.php(37): require_once('/var/www/html/w...') #10 /var/www/h in /var/www/html/wp-admin/includes/class-wp-screen.php on line 328