Fatal error: Uncaught Error: Call to undefined function sanitize_html_class() in /home/polirqqx/shortstoriesbyai.com/wp-content/plugins/shipper/tpl/modals/network-type.php:11 Stack trace: #0 {main} thrown in /home/polirqqx/shortstoriesbyai.com/wp-content/plugins/shipper/tpl/modals/network-type.php on line 11