Cover got for another article.

Author and date are missing.

Checklist 6.1. (https://instantview.telegram.org/checklist) "Author name is required only if it is presented in the source article in a clear way (at the top of the page, at the very end of the text, etc.), especially if there's a name of an actual person."
Checklist 6.9. (https://instantview.telegram.org/checklist)'The date and time of publication are obligatory for news publications. It must be obtained by any means possible, including meta tags, etc.'
None of these are present here.

The captions are not set properly and represented as blockquotes instead. According to 6.5. Captions (https://instantview.telegram.org/checklist#6-5-captions)
"Any captions present in the source article must be preserved. This includes captions for the cover image and captions for all individual elements of slideshows."

The second Author name is missing. And the image caption was put as a blockquote instead.

Text above title and subtitles are missing.
The cover caption and body image captions are missing. According to 6.5. Captions (https://instantview.telegram.org/checklist#6-5-captions)
"Any captions present in the source article must be preserved. This includes captions for the cover image and captions for all individual elements of slideshows."

Missing slideshow.
https://instantview.telegram.org/checklist#6-4-galleries-and-slideshows
It must be present if the article features them as a gallery (like here) or a slideshow.

The gallery must be shown as a slideshow.

Cover should be an image. In this case its a youtube video.

Rule :
It is advisable to use a cover image when possible:

When the image appears as a cover on the source website.
There's a suitable image above the title/subtitle or directly below the title/subtitle.

The article contains embedded Map. So the IV should not be generated for this page due to presence of unsupported element.

Rule: Pages that display unsupported content (e.g. an interactive map widget) must not generate IVs.

Missing slideshow