Getting error on "Get authorisation code"

[username-valid]

Am getting this error while "Get authorisation code"
Any suggestions

[lyc8503]

Are you creating your own application or using the default config?

[username-valid]

I did all process as provided here,

I've changed only this

Here's my page

[lyc8503]

Hi, could you try deploying again with the official clientId+clientSecret to test. Usually you don't need to create your own application.