Fatal error: Uncaught Error: Call to undefined function apply_filters() in /var/www/eintrachtpodcast/wp-content/plugins/fb-pixel-dsgvo/include/acf/includes/api/api-helpers.php:71 Stack trace: #0 /var/www/eintrachtpodcast/wp-content/plugins/fb-pixel-dsgvo/include/acf/includes/api/api-helpers.php(54): acf_validate_setting() #1 /var/www/eintrachtpodcast/wp-content/plugins/fb-pixel-dsgvo/include/acf/includes/api/api-helpers.php(1889): acf_update_setting() #2 {main} thrown in /var/www/eintrachtpodcast/wp-content/plugins/fb-pixel-dsgvo/include/acf/includes/api/api-helpers.php on line 71