Error: The following directories are not writable by your user

Error: The following directories are not writable by your user:

/usr/local/sbin

 You should change the ownership of these directories to your user.
您應該將這些目錄的所有權更改為您的用戶。
  sudo chown -R $(whoami) /usr/local/sbin

And make sure that your user has write permission.
並確保您的用戶具有寫權限。
  chmod u+w /usr/local/sbin