UnicodeEncodeError Ubuntu, Apache2, Admin page

Using Django Mystery Errors
2

Finally found the problem.

I can’t answer why the app works as normal if I don’t use the admin page.
My guess is that the admin page read files a bit different.
Now, however, the admin page loads all the models as well.

In /etc/apache2/envvars :
From

## The locale used by some modules like mod_dav
export LANG=C
## Uncomment the following line to use the system default locale instead:
#. /etc/default/locale

export LANG

To

## The locale used by some modules like mod_dav
#export LANG=C
## Uncomment the following line to use the system default locale instead:
. /etc/default/locale

export LANG