Endless 

"Please wait... We are authorizing your account."

is displayed at this moment

in console:

Failed to load resource: the server app.leantesting.com/sso/callback responded with a status of 500 (Internal Server Error)

Endless 

"Please wait...
We are authorizing your account."

is displayed at this moment

in console:

Failed to load resource: the server app.leantesting.com/sso/callback responded with a status of 500 (Internal Server Error)