core\Error::__construct PHP Method

    public function __construct($message = 'Internal Server Error', $code = 0, $previous = null, $trace = array())
    {
        parent::__construct($message, $code, $previous);
        $this->trace = $trace;
        if (!$trace) {
            $this->trace = debug_backtrace();
        }
    }

 public function __construct($message)
 {
     parent::__construct(sprintf("Session error [Local]: %s", $message));
 }