Error: The RSS file isn’t working

We tried to get the RSS file for this podcast - https://feedpress.me/TheRocketryShow - but it wouldn’t load for us.

array (
  'wrapperType' => 'track',
  'kind' => 'podcast',
  'collectionId' => 935661849,
  'trackId' => 935661849,
  'artistName' => 'LittleBeth Media',
  'collectionName' => 'The Rocketry Show Podcast',
  'trackName' => 'The Rocketry Show Podcast',
  'collectionCensoredName' => 'The Rocketry Show Podcast',
  'trackCensoredName' => 'The Rocketry Show Podcast',
  'collectionViewUrl' => 'https://podcasts.apple.com/us/podcast/the-rocketry-show-podcast/id935661849?uo=4',
  'feedUrl' => 'https://feedpress.me/TheRocketryShow',
  'trackViewUrl' => 'https://podcasts.apple.com/us/podcast/the-rocketry-show-podcast/id935661849?uo=4',
  'artworkUrl30' => 'https://is4-ssl.mzstatic.com/image/thumb/Podcasts123/v4/81/ef/2c/81ef2c66-7ad2-312d-ada5-918576c5508c/mza_8142554921935547559.jpg/30x30bb.jpg',
  'artworkUrl60' => 'https://is4-ssl.mzstatic.com/image/thumb/Podcasts123/v4/81/ef/2c/81ef2c66-7ad2-312d-ada5-918576c5508c/mza_8142554921935547559.jpg/60x60bb.jpg',
  'artworkUrl100' => 'https://is4-ssl.mzstatic.com/image/thumb/Podcasts123/v4/81/ef/2c/81ef2c66-7ad2-312d-ada5-918576c5508c/mza_8142554921935547559.jpg/100x100bb.jpg',
  'collectionPrice' => 0.0,
  'trackPrice' => 0.0,
  'trackRentalPrice' => 0,
  'collectionHdPrice' => 0,
  'trackHdPrice' => 0,
  'trackHdRentalPrice' => 0,
  'releaseDate' => '2019-11-11T02:54:00Z',
  'collectionExplicitness' => 'cleaned',
  'trackExplicitness' => 'cleaned',
  'trackCount' => 35,
  'country' => 'USA',
  'currency' => 'USD',
  'primaryGenreName' => 'Technology',
  'contentAdvisoryRating' => 'Clean',
  'artworkUrl600' => 'https://is4-ssl.mzstatic.com/image/thumb/Podcasts123/v4/81/ef/2c/81ef2c66-7ad2-312d-ada5-918576c5508c/mza_8142554921935547559.jpg/600x600bb.jpg',
  'genreIds' => 
  array (
    0 => '1318',
    1 => '26',
  ),
  'genres' => 
  array (
    0 => 'Technology',
    1 => 'Podcasts',
  ),
)...https://itunes.apple.com/lookup?id=935661849

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