[Koha] Language chooser doesn't work

[Mirko]

> Hi Mirko,
> 
> thank you for your answer.
> 
> I'm looking in the Marc framework, but it seems that the AUTH value linked
> to the tag 101$a doesn't exist:
> 

You can set up authorized values when you go to
Administration->Basic Parameters->Authorized values. Add a new
category "LAN" and add authorized values to it.

Did you import the framework from another installation?

- Mirko