[OS X TeX] Umlauts won't print

[Manuel]

Am 26/9/15 um 18:21 schrieb Herbert Schulz:
>> On Sep 26, 2015, at 11:04 AM, Manuel <libros2 at limay.de> wrote:
>>
>> Why can't I just copy and paste the error message? Anyway, it says (important part):
> Howdy,
>
> I assume you mean Copy the message from the Console window in TeXShop. You CAN do that! First Abort the process (there's a button for that at the top of that window) and then Click in the Console Window to select it. From then on you can Copy from that pane

Ah, now I can copy and paste. Thanks, Herb! It says…
>> Package babel Error: Unknown language 'german'.
>>
> Does it really say that or is it `ngerman'?

./IÃÅndice.aux:5: Package babel Error: Unknown language `german'. Either 
you ha
ve
(babel)                misspelled its name, it has not been installed,
(babel)                or you requested it in a previous run. Fix its name,
(babel)                install it or just rerun the file, respectively.

See the babel package documentation for explanation.
Type  H <return>  for immediate help.
  ...

l.5 \select at language{german}

?
Process aborted
>> The document is, indeed, fairly old, I'd guess I was using OS Tiger when it was created, but it was changed many times until I was using OS Snow Leopard (and my macbook would not support Lion or Mountain Lion). The preamble is a sort of template for many things. For example, no pdf or graphics are included in the present document, nor cyrillic or greek characters.
>>
>> Is the "Not so short Introduction to LaTex" still up to date?
>>
>> Greetings,
>>
>> Manuel
> What version of MacTeX are you using? If you installed MacTeX-2015 you should definitely have `ngerman'.
I am using

Versión 3.52 (3.52)
Copyright 2001-2014
> Good Luck,
>
> Herb Schulz
> (herbs at wideopenwest dot com)
>
>
>
>
>
>
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Greetings,

Manuel