What excactly does this mean after running apt-get update:

Reading Package Lists... Error!
E: Dynamic MMap ran out of room
E: Dynamic MMap ran out of room
E: Error occured while processing figlet (NewVersion1)
E: Problem with MergeList /var/lib/apt/lists/ftp.de.debian.org_debian_dists_unstable_non-free_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.

I hav no idea. Is it my sources.list file?

Pascal