title: PHP Warning Permission denied (13) on session_start()
body: <p>I'm getting the following error:</p>
  <pre><code>PHP Warning:  session_start() [&lt;a href='function.session-start'&gt;function.session-start&lt;/a&gt;]: open(/tmp/sess_49a20cbe1ef09a2d0262b3f7eb842e7b, O_RDWR) failed: Permission denied (13) in /home/------/public_html/includes/libs/ss.inc.php on line 1
  </code></pre>
  <p>The problem doesn't happen all the time, but comes and goes.</p>
  <p>This the code at line on 1 in ss.inc.php</p>
  <pre><code>&lt;?php session_start(); ?&gt;
  </code></pre>