martinossendorf

Thanks for the feedback. However, without a sample file it's difficult to find the problem. The function, where the exception is thrown, tries to get the correct crypt filter for...

With PDFsharp Version 6.1.0-preview-1 we fixed some encryption related issues. Please report, if your PDF file can now be read without errors.

Sorry, I can't reproduce Your issue by now. I'm able to open the files You posted as we'll as files created with Your project using with PDFsharp-MigraDoc 6.0.0 and 6.1.0-preview-1...

We were able to reproduce the issue and to isolate the cause for the exception. In the latest version of MigraDoc, there's a problem getting the correct bottom border offset...