Fatal error: Uncaught Error: Call to undefined function add_shortcode() in /home/workings/public_html/hidden/wp-content/plugins/jetpack/modules/shortcodes/quiz.php:68 Stack trace: #0 /home/workings/public_html/hidden/wp-content/plugins/jetpack/modules/shortcodes/quiz.php(306): Quiz_Shortcode::init() #1 {main} thrown in /home/workings/public_html/hidden/wp-content/plugins/jetpack/modules/shortcodes/quiz.php on line 68