Проблема работы корзины в bitrix 11.0

<fo rm id="addToCart" method="get" >
            <div class="amount">
               <label>Кол-во:</label>
                  <? if (CModule::IncludeModule("sale") && CModule::IncludeModule("catalog")) { 
                     if (isset($_GET['id']) && isset($_GET['quantity'])) { 
                        $PRODUCT_ID = intval($_GET['id']); 
                        $QUANTITY = intval($_GET['quantity']); 
                        Add2BasketByProductID( $PRODUCT_ID, $QUANTITY ); 
                        print_r($_SERVER);
                        LocalRedirect($_SERVER['REDIRECT_URL']); //путь в Вашей корзине   
                     }
                  }?>
                  <input type="number" pattern="([0-9]){1,4}" name="quantity" id="quantity" value="1" class="amount-ipt" on change="$('#catalog_add2cart_link').attr('href','<?=$arResult["ADD_URL"]?>&quantity='+$(this).val());">
                  <input name="id" type="hidden" value="<?=$arResult["ID"]?>"/>
                  <input type="submit" style="display:none;"/>               
            </div>   
            </form>

<a data-name="ecm" wt_name="cart_online" class="js-add-to-cart"  rel="nofollow" on click="$('#addToCart').submit();" >