Fatal error: Uncaught Error: Call to undefined function add_shortcode() in C:\xampp\htdocs\WAIT FOR DELETE\wp-content\plugins\jetpack\modules\shortcodes\quiz.php:82 Stack trace: #0 C:\xampp\htdocs\WAIT FOR DELETE\wp-content\plugins\jetpack\modules\shortcodes\quiz.php(364): Quiz_Shortcode::init() #1 {main} thrown in C:\xampp\htdocs\WAIT FOR DELETE\wp-content\plugins\jetpack\modules\shortcodes\quiz.php on line 82