Fatal error: Uncaught ArgumentCountError: 2 arguments are required, 1 given in /var/www/vhosts/hosting167953.ae84f.netcup.net/httpdocs/w3c-commerce/product_reviews.php:110 Stack trace: #0 /var/www/vhosts/hosting167953.ae84f.netcup.net/httpdocs/w3c-commerce/product_reviews.php(110): sprintf('by %s John D.') #1 {main} thrown in /var/www/vhosts/hosting167953.ae84f.netcup.net/httpdocs/w3c-commerce/product_reviews.php on line 110