Thread:Project:Support desk/Lessc issue with MW1.25alpha (40a8070) -- Vector Skin (fd9a9f0)

From the apache2 error.log: [Mon Dec 01 12:23:33 2014] [error] [client x.x.x.x] PHP Fatal error: Class 'lessc' not found in /var/www/w/xxxx/includes/resourceloader/ResourceLoader.php on line 1497, referer: http://xxxx/w/xxxx/index.php/Hauptseite

The entire CSS is gone. Install required as laid out here: http://stackoverflow.com/questions/7245826/less-compiler-for-linux or here: http://stackoverflow.com/questions/13671969/how-to-automatically-compile-less-into-css-on-the-server/13671970#13671970 ?????