The premodded file wrote: //
// Delete expired sessions
//
$sql = "DELETE FROM " . SESSIONS_TABLE . "
WHERE UNIX_TIMESTAMP() - session_time >=172800'
AND session_id <> '$session_id'";
How it should be wrote: //
// Delete expired sessions
//
$sql = "DELETE FROM " . SESSIONS_TABLE . "
WHERE UNIX_TIMESTAMP() - session_time >=172800
AND session_id <> '$session_id'";
Remove the ' at the end of 172800'...
Hope it helps!

