Edit History

My prestashop version 8.0.4, I already installed two times, all failed. 

I don't know what is the reason, my php version 8.1.

I changed the core file order.php for customizing the order number, the function code like this:

public static function generateReference() {
        $last_id = Db::getInstance()->getValue('
        SELECT MAX(id_order)
        FROM '._DB_PREFIX_.'orders');
        $newRef=(int)$last_id + 1;
        $prefix = 'VE';
        return $prefix.str_pad($newRef, 7, '0000000', STR_PAD_LEFT);
    }