It work's ! Thanks so much !

Ok, thanks for your quick reply.

Thanks team !

It's fixed today ! Thanks !

The redirect URI in the request, https://flowreader.com/google/login, does not match the ones authorized for the OAuth client. Visit https://console.developers.google.com/apis/credentials/oauthclient/575606427737-tko03r2568koj3tdsrmj7uka64ts1mje.apps.googleusercontent.com?project=575606427737 to update the authorized redirect URIs.