Fatal error: Uncaught Error: Class 'WP_Defender\Component\Security_Header' not found in /home/polirqqx/shortstoriesbyai.com/wp-content/plugins/wp-defender/src/component/security-headers/class-sh-x-frame.php:15 Stack trace: #0 {main} thrown in /home/polirqqx/shortstoriesbyai.com/wp-content/plugins/wp-defender/src/component/security-headers/class-sh-x-frame.php on line 15