{System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {D6BA1539-8473-497C-92C3-8ECF63DAC0F3} failed due to the following error: 80040154.

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ASP.NET

I am getting this error
{System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {D6BA1539-8473-497C-92C3-8ECF63DAC0F3} failed due to the following error: 80040154.
at ASP.webform1_aspx.Page_Load(Object sender, EventArgs e) in c:\Inetpub\wwwroot\WebcamPicture\WebForm1.aspx:line 21}
while executing the following code

System.Data.SqlClient.SqlDataAdapter da = new System.Data.SqlClient.SqlDataAdapter();
        //Jpeg compression quality
        short nQuality = 45;
        //Shout a picture from my webcam
        
        CAMSERVERLib.Camera cam = new CAMSERVERLib.CameraClass();
        
        byte[] picture = (byte[])cam.GrabFrame(nQuality);
        //Add the hour to the jpeg picture
        MemoryStream ms = new MemoryStream(picture);
        Bitmap bmp = new Bitmap(ms);
        Graphics g = Graphics.FromImage(bmp);
        string strDate = DateTime.Now.ToLongDateString() + " - " + DateTime.Now.ToLongTimeString();
        StringFormat drawFormat = new StringFormat();
        drawFormat.Alignment = StringAlignment.Center;
        g.DrawString(strDate,
                        new Font(FontFamily.GenericSansSerif, 12),
                        new SolidBrush(Color.Black),
                        new RectangleF(1, 1, 320, 240),
                        drawFormat
                    );
        g.DrawString(strDate,
                        new Font(FontFamily.GenericSansSerif, 12),
                        new SolidBrush(Color.White),
                        new RectangleF(0, 0, 320, 240),
                        drawFormat
                    );
        //Get codecs
        ImageCodecInfo[] icf = ImageCodecInfo.GetImageEncoders();
        EncoderParameters encps = new EncoderParameters(1);
        EncoderParameter encp = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)nQuality);
        //Set quality
        encps.Param[0] = encp;
        bmp.Save(Response.OutputStream, icf[1], encps);
        g.Dispose();
        bmp.Dispose();

I have sucessfully register the dll iusing regasm. but why iam getting this error please tell me.

[edit]Code block added - OriginalGriff[/edit]