Error: The RSS file isn’t working

We tried to get the RSS file for this podcast - http://rfpodcast.info/Podcast/?feed=podcast - but it wouldn’t load for us.

--------------------------------------------------------------------------------------------
Fatal Error 76: Opening and ending tag mismatch: meta line 1 and head
  Line: 1
  Column: 92
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Fatal Error 76: Opening and ending tag mismatch: head line 1 and html
  Line: 1
  Column: 189
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Fatal Error 77: Premature end of data in tag html line 1
  Line: 1
  Column: 232
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Fatal Error 77: Premature end of data in tag body line 1
  Line: 1
  Column: 232array (
  'wrapperType' => 'track',
  'kind' => 'podcast',
  'collectionId' => 218161803,
  'trackId' => 218161803,
  'artistName' => 'Richard KB5JBV',
  'collectionName' => '» Podcast Feed',
  'trackName' => '» Podcast Feed',
  'collectionCensoredName' => '» Podcast Feed',
  'trackCensoredName' => '» Podcast Feed',
  'collectionViewUrl' => 'https://podcasts.apple.com/us/podcast/podcast-feed/id218161803?uo=4',
  'feedUrl' => 'http://rfpodcast.info/Podcast/?feed=podcast',
  'trackViewUrl' => 'https://podcasts.apple.com/us/podcast/podcast-feed/id218161803?uo=4',
  'artworkUrl30' => 'https://is4-ssl.mzstatic.com/image/thumb/Features/v4/5f/88/96/5f8896e9-9be5-529a-af14-cc807367568a/mza_1382744875394257421.png/30x30bb.jpg',
  'artworkUrl60' => 'https://is4-ssl.mzstatic.com/image/thumb/Features/v4/5f/88/96/5f8896e9-9be5-529a-af14-cc807367568a/mza_1382744875394257421.png/60x60bb.jpg',
  'artworkUrl100' => 'https://is4-ssl.mzstatic.com/image/thumb/Features/v4/5f/88/96/5f8896e9-9be5-529a-af14-cc807367568a/mza_1382744875394257421.png/100x100bb.jpg',
  'collectionPrice' => 0.0,
  'trackPrice' => 0.0,
  'trackRentalPrice' => 0,
  'collectionHdPrice' => 0,
  'trackHdPrice' => 0,
  'trackHdRentalPrice' => 0,
  'releaseDate' => '2019-05-24T21:40:00Z',
  'collectionExplicitness' => 'cleaned',
  'trackExplicitness' => 'cleaned',
  'trackCount' => 100,
  'country' => 'USA',
  'currency' => 'USD',
  'primaryGenreName' => 'Leisure',
  'contentAdvisoryRating' => 'Clean',
  'artworkUrl600' => 'https://is4-ssl.mzstatic.com/image/thumb/Features/v4/5f/88/96/5f8896e9-9be5-529a-af14-cc807367568a/mza_1382744875394257421.png/600x600bb.jpg',
  'genreIds' => 
  array (
    0 => '1502',
    1 => '26',
    2 => '1318',
  ),
  'genres' => 
  array (
    0 => 'Leisure',
    1 => 'Podcasts',
    2 => 'Technology',
  ),
)

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