Fatal error: Uncaught Error: Call to undefined function add_shortcode() in /home/jjrco/public_html/wp/wp-content/plugins/herocore/framework/shortcodes/slider/slider.php:91 Stack trace: #0 {main} thrown in /home/jjrco/public_html/wp/wp-content/plugins/herocore/framework/shortcodes/slider/slider.php on line 91