Hi,
I am trying to install fresh ERPNext copy on my local machine… (mac - high sierra). However I am not able to complete the installation process… Please check the screenshot above.
Check this link…
Solution suggested by Revant worked for me.
I had experienced the same issue last week, with latest release. The easier approach is do it on a production setup and then restore the backup on to development setup. The initial configuration never failed on production setup, so I believe this is related to werkzeug server used in dev environment.