Missing supported structured data element

Hi
After instalation of AMP plugin
I keep getting errors from google webmaster that 0 pages are indexed while 100 of pages(all of them) with this 2 errors :

1.Missing supported structured data element – for all pages

2. Invalid attribute values : href=https://www.domain.com/wp-content/cache/minify/000000/c0d3e/default.include.464454.css – for all pages while this is Total Cache plugin default css file.

I would like to fix those errors.
Please advise.
Luka

https://www.ads-software.com/plugins/amp/