Open your /classes/order/OrderDetail.php file, and on line #164 you should see the following:'id_warehouse' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),Change the last parameter - "required" to "false", like so:'id_warehouse' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => false),
Все-таки я умный, нашел ответ
<select name="payment_method" class="payment_method"> <option value="Оплата через PayPal">Оплата через PayPal</option> <option value="Оплата через Skrill">Оплата через Skrill</option> </select>