500 Internal Server Error Unity C#
<p>I made a Unity project but, every time I need launch my function Post I get this exception  </p>

<p>500 Internal Server Error
UnityEngine.Debug:Log(Object)
c__Iterator0:MoveNext() (at Assets/Conexion.cs:69)</p>

<p>thanks. </p>

<pre><code>private IEnumerator WaitForRequest(WWW www) {
    yield return www;
    // check for errors
    if (www.error == null) {
        results = www.text;
        Debug.Log(results);
        webserviceResponse(results);
        //onComplete();
    } else {
        Debug.Log (www.error);  //error at this line
    }
}
</code></pre>