Что у вас в $arFilter?
[CODE]$arFilter = array(
'ID' => $arItem["PROPERTIES"]["BANNER_URL"]["VALUE"],
);
echo '<pre>'.print_r($arFilter, true).'</pre>';
$res = CIBlockElement::GetList(
false,
$arFilter,
false,
false,
array('ID', 'DETAIL_PAGE_URL')
);
[/CODE]
[CODE]$arFilter = array(
'ID' => $arItem["PROPERTIES"]["BANNER_URL"]["VALUE"],
);
echo '<pre>'.print_r($arFilter, true).'</pre>';
$res = CIBlockElement::GetList(
false,
$arFilter,
false,
false,
array('ID', 'DETAIL_PAGE_URL')
);
[/CODE]