convert to xod

Hello

I want use “pdftron.PDF.Convert.ToXod(inpath,outpath)”

And I get this error:

does not exist.\n\n\t Conditional expression: boost::filesystem::exists(pth)\n\t Filename : Convert.cpp\n\t Function : trn::PDF::GetPDFDocFromFilename\n\t Linenumber : 1792\n"} pdftron.Common.PDFNetException

so how I convert to xod?

thank

What OS/Platform are you on?
What file type is the input?
What PDFNet version?