title: Fatal error: Uncaught OAuthException: Invalid OAuth access token signature
body: <p>I have downloaded the php sdk for facebook, and am trying to retrieve a public pages statuses.</p>
  
  <p>In my page I have the following:</p>
  
  <pre><code>require_once("facebook.php");
  $config = array();
  $config[‘appId’] = 'myID';
  $config[‘secret’] = 'mySecret';
  $config[‘fileUpload’] = false; // optional
  $facebook = new Facebook($config);
  $access_token = $facebook-&gt;getAccessToken();
  $ret = $facebook-&gt;api(dogfishheadbeer, statuses);
  
  //display messages
  foreach ($ret-&gt;data as $m) {
          $name = $m-&gt;name;
          $message = $m-&gt;message;
          $time = $m-&gt;update_time;
          $id = $m-&gt;id;
          $page-&gt;content .= '&lt;p&gt; $message &lt;/p&gt;';
  }
  </code></pre>
  
  <p>The error I am receiving is:</p>
  
  <p>Fatal error: Uncaught OAuthException: Invalid OAuth access token signature. thrown in /home/public_html/base_facebook.php on line 1254</p>