Hi Catonano,

On Sun, 31 Dec 2017 12:39:07 +0100
Catonano <catonano@gmail.com> wrote:

> In attempting to test my trytond service wit hthhis line
>
> make check-system TESTS="trytond"
>
> I get this errror
>
> [...]
> adding user 'guixbuilder08'...
> adding user 'guixbuilder09'...
> adding user 'guixbuilder10'...
> adding user 'trytond'...
> adding user 'postgres'...
> registering public key
> '/gnu/store/94y24as2zk3n3n39602vlanqb1g5j0c0-guix-0.13.0-12.0a154c1/share/guix/hydra.gnu.org.pub'...
> ERROR: In procedure append:
> ERROR: In procedure append: Wrong type argument in position 1 (expecting
> empty list): "-c en_US.utf8"
>
> Entering a new prompt.  Type `,bt' for a backtrace or `,q' to continue.
> GNU Guile 2.2.2
> Copyright (C) 1995-2017 Free Software Foundation, Inc.
>
> Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
> This program is free software, and you are welcome to redistribute it
> under certain conditions; type `,show c' for details.
>
> Enter `,help' for help.
> scheme@(guile-user)>
>
>
> Where does this -c en_US.utf8 string come from ?
> Where is append being called ?
>
> Could I have a slighhtly more verbose error message ?

Write ,bt (including the comma)

I agree, the error message could be better.  Let's see where it comes from.

Or is that not an interactive REPL?