Fatal error: Uncaught Error: Call to undefined function add_shortcode() in /var/www/vhosts/bvoustudyclub.net/httpdocs/scripts/functions-general.php:32 Stack trace: #0 /var/www/vhosts/bvoustudyclub.net/httpdocs/scripts/websiteData.php(10): require_once() #1 /var/www/vhosts/bvoustudyclub.net/httpdocs/wp-content/themes/dtsc/functions.php(2): require_once('/var/www/vhosts...') #2 /var/www/vhosts/bvoustudyclub.net/httpdocs/scripts/courses/addToCalendar.php(1): require_once('/var/www/vhosts...') #3 {main} thrown in /var/www/vhosts/bvoustudyclub.net/httpdocs/scripts/functions-general.php on line 32