Fatal error: Uncaught Error: Call to undefined function calc_discount() in /usr/local/www/apache24/data/beerspabernard_com/html/modules/detail.php:29 Stack trace: #0 /usr/local/www/apache24/data/beerspabernard_com/html/index.php(234): include() #1 {main} thrown in /usr/local/www/apache24/data/beerspabernard_com/html/modules/detail.php on line 29