Fatal error: Uncaught TypeError: number_format(): Argument #1 ($num) must be of type float, string given in /usr/www/users/ubadvtkstv/showproductpage.php:536 Stack trace: #0 /usr/www/users/ubadvtkstv/showproductpage.php(536): number_format('', NULL, '.', '') #1 /usr/www/users/ubadvtkstv/pagetemplate.php(923): include('/usr/www/users/...') #2 {main} thrown in /usr/www/users/ubadvtkstv/showproductpage.php on line 536