http://u.qdnx.org/file/postblue-20130923T234719-gznfmxf.html
#Error when trying to resubscribe to fouine dot statusnet.underworld.fr (Error 500 when mentioning) : PHP Fatal error: __clone method called on non-object in /var/www/gnu-social/plugins/OStatus/classes/Ostatus_profile.php on line 1598