Why is there a 404 on internal directory partitions?

Question

1C-Bitrix

the rest of the component code in the
comments on atlasdesign and on bezhevyy

$APPLICATION->SetTitle("Каталог");
$APPLICATION->IncludeComponent(
  "bitrix:catalog", 
  "main", 
  array(
    "IBLOCK_TYPE" => "aspro_next_catalog",
    "IBLOCK_ID" => "17",
    "HIDE_NOT_AVAILABLE" => "Y",
    "BASKET_URL" => "/basket/",
    "ACTION_VARIABLE" => "action",
    "PRODUCT_ID_VARIABLE" => "id",
    "SECTION_ID_VARIABLE" => "SECTION_ID",
    "PRODUCT_QUANTITY_VARIABLE" => "quantity",
    "PRODUCT_PROPS_VARIABLE" => "prop",
    "SEF_MODE" => "Y",
    "SEF_FOLDER" => "/catalog/",
    "AJAX_MODE" => "N",
    "AJAX_OPTION_JUMP" => "N",
    "AJAX_OPTION_STYLE" => "Y",
    "AJAX_OPTION_HISTORY" => "Y",
    "CACHE_TYPE" => "A",
    "CACHE_TIME" => "3600000",
    "CACHE_FILTER" => "Y",
    "CACHE_GROUPS" => "N",
    "SET_TITLE" => "Y",
    "SET_STATUS_404" => "Y",
    "USE_ELEMENT_COUNTER" => "Y",
    "USE_FILTER" => "Y",
    "FILTER_NAME" => "NEXT_SMART_FILTER",
    "FILTER_FIELD_CODE" => array(
      0 => "",
      1 => "",
    ),
    "FILTER_PROPERTY_CODE" => array(
      0 => "",
      1 => "",
    ),
    "FILTER_PRICE_CODE" => array(
      0 => "Розница Основной склад",
    ),
    "FILTER_OFFERS_FIELD_CODE" => array(
      0 => "NAME",
      ),
    "FILTER_OFFERS_PROPERTY_CODE" => array(
      0 => "",
      1 => "COLOR",
      2 => "CML2_LINK",
),
    "USE_REVIEW" => "N",
    "MESSAGES_PER_PAGE" => "10",
    "USE_CAPTCHA" => "Y",
    "REVIEW_AJAX_POST" => "Y",
    "PATH_TO_SMILE" => "/bitrix/images/forum/smile/",
    "FORUM_ID" => "1",
    "URL_TEMPLATES_READ" => "",
    "SHOW_LINK_TO_FORUM" => "Y",
    "POST_FIRST_MESSAGE" => "N",
    "USE_COMPARE" => "Y",
    "COMPARE_NAME" => "CATALOG_COMPARE_LIST",
    "COMPARE_FIELD_CODE" => array(
      0 => "NAME",
      1 => "TAGS",
      2 => "SORT",
      3 => "PREVIEW_PICTURE",),
    
);?>