Hi. We could help you fix the template and the chunk for the Rss feed. I don’t know what I missed. The validator shows errors
it is necessary according to the template : RSS — Википедия
<?xml version="1.0"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns="http://purl.org/rss/1.0/">
<channel rdf:about="http://www.xml.com/xml/news.rss">
<title>[[*pagetitle]]</title>
<link>[[~[[*id]]? &scheme=`full`]]</link>
<description>[[*introtext:cdata]]</description>
[[getResources?
&tpl=`rssItem`
&parents=`3`
&depth=`1`
&limit=`10`
&includeContent=`1`
&includeTVs=`1`
&showHidden=`0`
&hideContainers=`1`
]]
</channel>
</rdf:RDF>
<item rdf:about="http://xml.com/pub/2000/08/09/xslt/xslt.html">
<title>[[rssfeedtext? &text=`[[+pagetitle:htmlent]]`]]</title>
<link>[[~[[+id]]? &scheme=`full`]]</link>
<description>
[[+introtext:default=`[[+content:ellipsis=`600`]]`:cdata]]
</description>
<image rdf:about="[[+tv.img:PhpThumbOn=`w=1170&h=500&zc=1`]]">
</image>
</item>