The redirect URI in the request, https://acharnes-news.gr/?option=com_slogin&task=check&plugin=google, 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/1079287711542-1dodp7llugc0tga8sarht0j9lvbs4n1d.apps.googleusercontent.com?project=1079287711542