[Koha] W: Failed to fetch gzip:/var/lib/apt/lists/partial/debian.koha-community.or

[Vimal Kumar V.]

Dear Friends,
I got following error when updating Ubuntu repositories before Koha
upgradation.
My Koha run on Ubuntu 12.04 and Koha version is 3.12.11.
I added again again key, but got the same error.
How can we overcome this problem?

Fetched 3,906 kB in 12s (305
kB/s)
W: Failed to fetch
gzip:/var/lib/apt/lists/partial/debian.koha-community.org_koha_dists_oldstable_main_binary-amd64_Packages
Hash Sum mismatch

W: Failed to fetch
gzip:/var/lib/apt/lists/partial/debian.koha-community.org_koha_dists_oldstable_main_binary-i386_Packages
Hash Sum mismatch

E: Some index files failed to download. They have been ignored, or old ones
used instead.

Regards,
-- 
Vimal Kumar V.
Technical Assistant
Mahatma Gandhi University Library
Kottayam, Kerala- 686 560
Web: http://www.vimalkumar.info
Blog: http://linuxhalwa.blogspot.com http://kohageek.blogspot.in
http://moovandan.blogspot.in
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