In the KDE-settings I can set my language and formats to different locales. It lets me choose between a bunch of them. In this list also is the locale
en_DE.UTF-8 (it's listed as
However as soon as I select this particular locale, I get into trouble. When I now run
locale, I get the error
locale: Cannot set LC_ALL to default locale: No such file or directory
and the listed locales now do also show
en_DE.UTF-8 for some fields.