PORTS portsnap error

[Bernt Hansson]

The error is;

testbox# portsnap fetch update
Looking up portsnap.FreeBSD.org mirrors... 7 mirrors found.
Fetching snapshot tag from ec2-eu-west-1.portsnap.freebsd.org... done.
Fetching snapshot metadata... done.
Updating from Thu Sep 19 13:26:27 UTC 2013 to Thu Sep 19 13:43:34 UTC 2013.
Fetching 3 metadata patches. done.
Applying metadata patches... done.
cut: /dev/stdin: No such file or directory
Fetching 0 metadata files... done.
Fetching 5 patches. done.
Applying patches... done.
cut: /dev/stdin: No such file or directory
Fetching 0 new ports or files... done.
Removing old files and directories... done.
Extracting new files:
/usr/ports/CHANGES
/usr/ports/GIDs
/usr/ports/MOVED
/usr/ports/Mk/Uses/
/usr/ports/Mk/bsd.database.mk
/usr/ports/Mk/bsd.default-versions.mk
files/2f336bf3b0faba78dcafee5334ab9e1b47e0d5956062635e8476ebfe8d1f8306.gz not 
found -- snapshot corrupt.
testbox#