facebook error 'Error validating verification code'

Question

very strange error. i use gide http://developers.facebook.com/docs/authentication/. so i create request to fb and pass redirect_uri. i use test site on localhost. so if i pa

Answer 1

The answer for me was this:

$user = $facebook->getUser();     
if (!$user) {
    $loginUrl = $facebook->getLoginUrl(array(
        'scope' => '',
        'redirect_uri' => $this->domain,
    ));
    print('');
}

I've been cracking my head a long time before I found this solution, seeming I am not the only one with this issue I hope this works for you to!