Fatal error: Uncaught Error: Call to undefined function use_block_editor_for_post_type() in /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-admin/includes/class-wp-screen.php:328
Stack trace:
#0 /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-admin/includes/template.php(2391): WP_Screen::get('twmembership')
#1 /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-admin/includes/template.php(1342): convert_to_screen('twmembership')
#2 /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-content/plugins/tw-membership/classes.php(556): remove_meta_box('commentstatusdi...', 'twmembership', 'normal')
#3 /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-content/plugins/tw-membership/classes.php(458): MemberWunder\Application->initPostType()
#4 /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-includes/class-wp-hook.php(286): MemberWunder\Application->init('')
#5 /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
#6 /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-includes/plugin.php(465 in /www/htdocs/w0108cb3/produkt-geheimcode.com/wp-admin/includes/class-wp-screen.php on line 328