Catch Error Message.

    catch(Exception::CLRError)
    {
        System.Exception    interopException = CLRInterop::getLastException();

        obj.Add("Code", 1);
        obj.Add("Message", interopException.Message.ToString());

    }
    catch
    {
        SysInfoLogEnumerator    infoLogEnum;
        str                     Message;

        infoLogEnum = SysInfoLogEnumerator::newData(infolog.copy(1, infologLine()));

        while(infoLogEnum.moveNext())
        {
            Message += infoLogEnum.currentMessage();
        }

        obj.Add("Code", 1);
        obj.Add("Message", Message);
    }