Prado\Data\SqlMap\DataMapper\TSqlMapException::getErrorMessageFile PHP Method

    protected function getErrorMessageFile()
    {
        $lang = Prado::getPreferredLanguage();
        $dir = dirname(__FILE__);
        $msgFile = $dir . '/messages-' . $lang . '.txt';
        if (!is_file($msgFile)) {
            $msgFile = $dir . '/messages.txt';
        }
        return $msgFile;
    }