7 amp errors

hi!
Yesterday I received a notification that one of the web stories is getting 7! errors (suddenly).

These:

Error The parent tag of tag ‘html’ must be ‘!doctype’.

Not Started
1
Error Tag ‘amp-story’ is not allowed to have any sibling tags (‘body’ should only have 1 child).

Not Started
1
Error A mandatory AMP HTML tag is missing from this document.

Not Started
1
Error Tag found outside the document head which is only allowed as a direct child of the document head.

Not Started
1
Error Only amp-boilerplate and amp-custom ‘style’ tags are allowed, and only in the document head.

Not Started
1
Error Custom JavaScript is not allowed.

Not Started
1
Error Disallowed attribute or attribute value present in HTML tag.

Not Started
1

I make all of my stories using old duplicates and don’t make any changes in design or similar. Same video format, text, images the same size and etc.

The link for failing URL: https://theyummybowl.com/web-stories/soba-noodles/

In amp test tool it says the URL is valid but in search console report all of these errors.

Can you please have a look?

Thank you!

Julia