The redirect URI in the request, https://nimble.app/users/auth/google_oauth2/callback, does not match the ones authorized for the OAuth client. To update the authorized redirect URIs, visit: https://console.developers.google.com/apis/credentials/oauthclient/531062155432-r26ed7ullsa131fhlmod804np8q7jkos.apps.googleusercontent.com?project=531062155432