SEHException When I want to Merge HSV channels in opencv

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C++

OpenCV

I got 'System.Runtime.InteropServices.SEHException' Additional information: External component has thrown an exception..when I run my C++ opencv program below. I use Visual C++ 2008 to make it in windows form (.NET framework). I wanna show an image in HSV mode, by merge 3 channels there.

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cv::Mat Citra,CitraConv,Channels[3],CitraD,Citra6,CitraH,CitraH1,CitraS,CitraS1,
CitraV,CitraV1;
std::vector<cv::Mat>Channels2(3);
cv::cvtColor(Citra,CitraConv,CV_BGR2HSV);
cv::split(CitraConv,Channels);
CitraH=Channels[0];
CitraH1=CitraH;
CitraS=Channels[1];
CitraS1=CitraS;
CitraV=Channels[2];
CitraV1=CitraV;
Channels2[0]=CitraH1;
Channels2[1]=CitraS1;
Channels2[2]=CitraV1;
cv::merge(Channels2,CitraD);//Error appear Here
Citra6=CitraD; 
pictureBoxCitra2->Image=IplImageToBitmap(&(IplImage)Citra6);

Can anyone give me suggestion or even solution for this problem? I really appreciate any help here.. Thanks..