Strange one. I get four of these messages from cron every day. The directory does exist. And I've tried running mklost+found as suggested. But I still get the messages. Any ideas?

My thoughts were that it might be a permission issue. The directory is
drwx------ 2 root root 49152 Mar 18 16:45 lost+found

Subject: test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )


Some local file systems lack a lost+found directory. This means if the
file system is damaged and needs to be repaired, fsck will not have
anywhere to put stray files for recovery. You should consider creating
a lost+found directory with mklost+found(8).

The following lost+found directories were not available: