InternalOAuthError: Failed to obtain access token

[e-volusian]

Hello, is this application meant to work using the supplied github credentials out of the box, for members of the general public?

The below list of commands

export GITHUB_CLIENT_ID=0a363c03ec2646619f57
export GITHUB_CLIENT_SECRET=01408892458c92e3514cd96cd6b31e6d91df25d2
export GITHUB_ORG=18F
export SESSION_SECRET=testSessionSecret
export GITHUB_CALLBACK_URL=http://localhost:3000/auth/callback
git clone https://github.com/18F/checklistomania.git
cd checklistomania
npm install
npm start

yields the message Checklistomania started on port 3000; however, trying to access through the browser I get this:

NOTE: I also get the same results using my own org, id, & secret

[e-volusian]

Closing due to non-response