Hello @futur3int
Sorry for the experience, The AMP plugin might have conflicted with other plugins or theme creating a fatal error.
Yes, please try it on the dev environment. Feel free to open a New Support topic, we are happy to help you with anything related to AMP.
You can also refer to our Getting Started documentation to Understand how Plugin Works and how best you can utilize it for your site.
Also, please check out our video series on the AMP channel and PX Road Channel for small knick-knacks
AMP for WordPress
PX Road
https://www.youtube.com/channel/UCu6DycMkhHF64HtB9nUaQiw/videos
Hope this helps!