Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/printmegiftme/public_html/wp-content/plugins/drag-and-drop-file-uploads-wc-pro/inc/admin/updates.php:16 Stack trace: #0 {main} thrown in /home/printmegiftme/public_html/wp-content/plugins/drag-and-drop-file-uploads-wc-pro/inc/admin/updates.php on line 16