Fatal error: Uncaught TypeError: kovuPrice(): Argument #1 ($price) must be of type float, null given, called in /home/kovu.es/core/product.php on line 557 and defined in /home/kovu.es/core/functions.php:38 Stack trace: #0 /home/kovu.es/core/product.php(557): kovuPrice() #1 /home/kovu.es/index.php(30): include('...') #2 {main} thrown in /home/kovu.es/core/functions.php on line 38