eZFSFileHandler::fileDeleteByDirList

line 681
eZDebugSetting::writeDebug( 'kernel-clustering', "fs::fileDeleteByDirList( '$dirList', '$commonPath', '$commonSuffix' )" );

should be
eZDebugSetting::writeDebug( 'kernel-clustering', "fs::fileDeleteByDirList( '$dirs', '$commonPath', '$commonSuffix' )" );