GPG error with ftp.debian.org

[darkestkhan <darkestkhan@gmail.com>]

For few days now I'm receiving following error when updating sid:

$ sudo aptitude update
Building old list of packages... [done]
Building old list of available updates... [done]
Building old list of watched packages... [done]
Get: 1 http://ftp.debian.org sid InRelease [205 kB]
100% [Working]/usr/lib/apt/methods/gpgv: symbol lookup error:
/usr/lib/apt/methods/gpgv: undefined symbol:
_ZN9SigVerify7RunGPGVERKSsS1_RKiPi
[ ... ]
W: GPG error: http://ftp.debian.org sid InRelease: Unknown error executing gpgv


I don't feel like upgrading system when I don't have guarantee that
I'm installing what I think I'm installing, so is there some kind of
solution for this issue? (I did last upgrade  somewhere around last
week)

--
darkestkhan
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jid: darkestkhan@gmail.com
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