WARN 13 Mar 2007 15:03:02 [FtpConn thread 855 servicing user/USERS] net.sf.drftpd.master.BaseFtpConnection  -
java.lang.NoClassDefFoundError: org/drftpd/plugins/UserComparator
        at org.drftpd.plugins.SiteBot.userSort(SiteBot.java:236)
        at net.sf.drftpd.master.command.plugins.Dir.doCWD(Dir.java:219)
        at net.sf.drftpd.master.command.plugins.Dir.execute(Dir.java:946)
        at net.sf.drftpd.master.command.CommandManager.execute(CommandManager.java:114)
        at net.sf.drftpd.master.BaseFtpConnection.service(BaseFtpConnection.java:481)
        at net.sf.drftpd.master.BaseFtpConnection.run(BaseFtpConnection.java:434)
        at java.lang.Thread.run(Thread.java:595)