Fatal error: Uncaught Error: Call to undefined function use_block_editor_for_post_type() in /home/stephyb3/public_html/wp-admin/includes/class-wp-screen.php:338 Stack trace: #0 /home/stephyb3/public_html/wp-admin/includes/template.php(2483): WP_Screen::get('twmembership') #1 /home/stephyb3/public_html/wp-admin/includes/template.php(1383): convert_to_screen('twmembership') #2 /home/stephyb3/public_html/wp-content/plugins/tw-membership/classes.php(556): remove_meta_box('commentstatusdi...', 'twmembership', 'normal') #3 /home/stephyb3/public_html/wp-content/plugins/tw-membership/classes.php(458): MemberWunder\Application->initPostType() #4 /home/stephyb3/public_html/wp-includes/class-wp-hook.php(287): MemberWunder\Application->init('') #5 /home/stephyb3/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #6 /home/stephyb3/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #7 /home/stephyb3/public_html/wp-settings.php(540): do_action('init') #8 /home/stephyb3/public_html/wp-conf in /home/stephyb3/public_html/wp-admin/includes/class-wp-screen.php on line 338