System Exception.

RuntimeException:

    getTrace() as $line ) { if (isset($line['class'])) { echo '
  1. At ' . $line['class'].$line['type'].$line['function'] . '()
    in '.$line['file'].' line '.$line['line'].'
    2. '; } else{ echo '
  2. At ' . $line['function'] . '() in '.$line['file'].' line '.$line['line'].'
    3. '; } } ?>