Aşağıdaki hatalardan herhangi birini alıyorsanız;

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
    LANGUAGE = (unset),
    LC_ALL = (unset),
    LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").

Aşağıdaki komutu yazmanız probleminizi giderecektir.

export LC_CTYPE=en_US.UTF-8
export LC_ALL=en_US.UTF-8

Selametle.