How to fix OpenSSL error in ruby ​​project?

Question

ruby

I downloaded the sources I was interested in from the github, and when I try to start the project, an error OpenSSL falls out. All libraries are installed.

E, [2019-05-02T00:34:06.493139 #7960] ERROR -- : [Rollbar] Error processing the item: OpenSSL::SSL::SSLError, SSL_connect returned=1 errno=0 state=error: certificate verify failed. Item: {"access_token"=>"bbde48f7f8ae436485fa6d144a8eeeed", "data"=>{:timestamp=>1556746439, :environment=>"unspecified", :level=>"error", :language=>"ruby", :framework =>"Plain", :server=>{:host=>"DESKTOP-BQR4V95", :pid=>7960}, :notifier=>{:name=>"rollbar-gem", :version=>"2.18. 0"}, :body=>{:trace=>{:frames=>[{:filename=>"bin/run", :lineno=>6, :method=>""}, {:filename=>" C:/Users/sunDY/Desktop/hwm_worker/lib/hwm_worker.rb", :lineno=>9, :method=>"run"}, {:filename=>

Who works with Ruby, what could be the problem? studying the code, as far as I understood, everything was written on Linux under Linux.
Who cares about the link to the github project: https://github.com/zhisme/hwm_worker.
Compiled under Windows 10.

Answer 1

The error indicates that the SSL certificate has not been validated. This may indicate a real error, as well as the fact that the Ruby installer had outdated lists of trust centers.
What is the version of Ruby and where was it downloaded from?