Amp issue for web stories in GSC

Dear amp team,

I have amp issue in my gsc account, but im not using amp in my site, please solve this issue asap.

The issue im getting on gsc: 1. The parent tag of tag ‘html’ must be ‘!doctype’.
2. A mandatory AMP HTML tag is missing from this document.

The page I need help with: [log in to see the link]