Fatal error: Uncaught Error: Call to undefined function add_action() in /home/gilanf/public_html/wp-content/plugins/ticketa/class/add_image_to_category_class.php:15 Stack trace: #0 /home/gilanf/public_html/wp-content/plugins/ticketa/class/add_image_to_category_class.php(152): ADD_IMAGE_FIELD_TICKET_CATEGORY->init() #1 {main} thrown in /home/gilanf/public_html/wp-content/plugins/ticketa/class/add_image_to_category_class.php on line 15