CSS syntax error in tag 'style amp-custom'. error

[uprootpc]

Hi, search console returned this warning CSS syntax error in tag 'style amp-custom'. for one my pages. kindly advise how to rectify it

[milindmore22]

Hello @uprootpc

Please create a support topic on the WordPress support forum https://wordpress.org/support/plugin/amp/#new-topic-0

[westonruter]

You'll probably want to refer to ampproject/amphtml#34553 as well. The validator change has been pushed out which should have fixed this, but you can see from ampproject/amphtml#34553 (comment) that warnings are still happening.