The redirect URI in the request, https://panyaexam.com/auth/complete/google-oauth2/, 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/436043670940-mtofpjsm4fet4020po36lfattabmssqs.apps.googleusercontent.com?project=436043670940