I'm trying to test an app locally in my browser, however when I run zat server it starts and then immediately stops. I followed the instructions here: https://developer.zendesk.com/documentation/apps/zendesk-app-tools-zat/installing-and-using-the-zendesk-apps-tools/
This is the output:
== Sinatra (v1.4.8) has taken the stage on 4567 for development with backup from Thin
2022-01-24 20:15:52 -0600 Thin web server (v1.8.1 codename Infinite Smoothie)
2022-01-24 20:15:52 -0600 Maximum connections set to 1024
2022-01-24 20:15:52 -0600 Listening on localhost:4567, CTRL+C to stop
2022-01-24 20:15:52 -0600 Stopping ...
== Sinatra has ended his set (crowd applauds)
/Library/Ruby/Gems/2.6.0/gems/thin-1.8.1/lib/thin/backends/tcp_server.rb:18:in `unpack_sockaddr_in': no implicit conversion of nil into String (TypeError)
My file path does not contain any spaces or special characters.