portsnap fetch

Looking up portsnap.FreeBSD.org mirrors... none found.
Fetching snapshot tag from portsnap.FreeBSD.org... done.
Fetching snapshot metadata... done.
Updating from Thu May 14 05:31:02 IST 2015 to Thu May 14 18:42:39 IST 2015.
Fetching 0 metadata patches. done.
Applying metadata patches... done.
Fetching 0 metadata files... done.
Fetching 3 patches.

(0/3) 0.00%
(3/3) 100.00%  done.
done.
Applying patches...
  Skipping 86684aaeefd0e873142e8f5d091117f6e984a81a9f54b7e0cc619329d6be56c2-9acbf67d6977b733a83d36fababe404071711350057fbcaf53dddf7265c297f0 (1 of        3 patchlist).
  Skipping 853bead0e0babe41663529c88b974ff91ac520a552200887885b09ca0736b4f4-45645653bc13d9240ce34c255f0b2aa8d5cba07a24ad4b3ab7443782dc8dc218 (2 of        3 patchlist).
  Skipping 153d58e05809c9a1de22487367b16afcbfc179c2a718300d498a196ebe3e22cb-ebbf6438fe1f9dbba819fae4617801b60623ffb71babecf94d8532829e0d941c (3 of        3 patchlist).
done.
Fetching 3 new ports or files... /usr/sbin/portsnap: cannot open 9acbf67d6977b733a83d36fababe404071711350057fbcaf53dddf7265c297f0.gz: No such file or directory
snapshot is corrupt.