Prestashop FIX importDetailsOrders

                if (isset($product['id_product']))
                {
                    if ($product['id_product'] == $id_product)
                        $this->errors[] = sprintf($this->l('Product (%d/%D) cannot be added twice (at line %d).'), $id_product,
                            $id_product_attribute, $current_line + 1);
                    else
                        $product['id_product'] = $id_product;
                }
                else
                    $product['id_product'] = 0;