Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/clmepl5/public_html/web/app/plugins/acf-frontend-form-element/main/custom-fields/includes/acf-input-functions.php:105 Stack trace: #0 {main} thrown in /home/clmepl5/public_html/web/app/plugins/acf-frontend-form-element/main/custom-fields/includes/acf-input-functions.php on line 105