[Nix-dev] nix-channel says: unexpected UPDATE, at `(string):1:177'

[Peter Simons]

Hi guys,

does anyone know how to fix this error?

 | $ nix-channel --update
 | downloading Nix expressions from `http://nixos.org/channels/nixos-unstable/nixexprs.tar.xz'...
 |   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
 |                                  Dload  Upload   Total   Spent    Left  Speed
 | 100   399  100   399    0     0   3309      0 --:--:-- --:--:-- --:--:--  3297
 |   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
 | unpacking channels...
 | error: syntax error, unexpected UPDATE, at `(string):1:177'
 | cannot unpack the channels at /run/current-system/sw/bin/nix-channel line 145.

Take care,
Peter