W3C css validator internal_error

Adrien <[email protected]> Fri, 25 Mar 2016 18:26:53 +0100

Newsgroups	gmane.org.w3c.validator.css
Message-ID	<[email protected]>

Hi,
when i want check my css, the css validator return "I/O Error: Received
fatal alert: internal_error".

This is a bug ?

Validator link:
http://jigsaw.w3.org/css-validator/validator?uri=https://mortor.wtf/&profile=css3&usermedium=all&warning=1&vextwarning=&lang=fr

Best regard.