It is never good to wake up to a warning from Google. Here is the text I received:
Search Console has identified that your site is affected by 1 AMP issues:
Errors can prevent your page or feature from appearing in Search results. The following errors were found on your site:
We recommend that you fix these issues when possible to enable the best experience and coverage in Google Search.
This client receives much of his work through google searches. I think google’s “recommendation” is more of a command.