In fact, you can’t use critical paths and used CSS features simultaneously. So if you active one, then the other can’t be used.Where do you get these warnings?
Can you provide a screenshot of the page where
this warning appeared?
I don't have anything - The caching of the site works.
A critical cache is created without problems.
The only problem is with used CSS. And the only solution, as far as I know, is to just not use it. But may be @Babak could have another opinion.