title: Invalid appsecret_proof provided in the API argument
body: <p>i have created an app in my facebook account and done post to my friend using my access token (php).</p>
  
  <p>But another user cannot post to their friend using my app id and secret and getting the error </p>
  
  <blockquote>
    <p>Invalid appsecret_proof provided in the API argument</p>
  </blockquote>
  
  <p>i have disabled </p>
  
  <blockquote>
    <p>Required app secret proof in my app settings</p>
  </blockquote>
  
  <p>any solution please?</p>
  
  <pre><code>public function facebookUsershare() { 
  require '../facebook/src/facebook.php'; $facebook = new Facebook(array( 'appId' =&gt; 'app     id', 'secret' =&gt; 'secret_key', )); 
  
  $privacy = array( 'description' =&gt; 'Vladimir Sergeevich', 'value' =&gt; 'CUSTOM', 'friends'   =&gt;'friend id' 'allow' =&gt; 'loged in user' );
  try {
  $result = $facebook-&gt;api('/me/feed', 'POST', array( "access_token" =&gt; 'access_token',   'picture' =&gt; "path to image", 'link' =&gt; "gmail.com";, 'name' =&gt; "Go wi6 7", 'caption' =&gt;   "capn", 'privacy' =&gt; json_encode($privacy) ));
  
  echo 'Successfully posted to Facebook Personal Profile'; //return $facebookfrndids; }   catch(Exception $e) { 
  echo $e-&gt;getMessage(); 
  return false; } 
  </code></pre>