Hi please upgrade less to this http://lessphp.gpeasy.com/http://lessphp.gpeasy.com/ it is more frequent updated and does the same thing they also have a documentation on moving away from https://git.wikimedia.org/blob/mediawiki%2Fcore.git/71b56ffff4fbef2360ff02ed8a0fd1ee61585fd8/includes%2Flibs%2Flessc.inc.php
Version: unspecified
Severity: enhancement