Having a little

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LC_MEASUREMENT = “en_GB.UTF-8”,
LANG = “en_US.UTF-8”
are supported and installed on your system.
perl: warning: Falling back to a fallback locale (“en_US.UTF-8”).
locale: Cannot set LC_ALL to default locale: No such file or directory
/usr/bin/locale: Cannot set LC_ALL to default locale: No such file or directory

?

No worries.

$ sudo locale-gen
$ sudo dpkg-reconfigure locales