A mandatory AMP HTML tag is missing from this document.

Hello,

According to Google webmaster, I have notified few URLs for the AMP pages error and I have listed down here - https://theweeddays.com/420-smoking-accessories-gadgets/bongs/beaker-base-bongs/black-leaf-ronin-and-geisha-beaker-ice-bong-box-set/amp

https://theweeddays.com/sitemap?amp

Please let me know the right solutions to solve all the AMP issues.

Thanks in advance!

Regards,
Team - https://theweeddays.com

Hello,
Have you validated your AMP pages?

See more resources here: