Barbara,
if you did the signing using iText: The report code 4000 was due to a quirk
of iText: it includes an encoding key in the ->AcroForm->DR dictionary. This
has been discussed here before, e.g.
http://www.nabble.com/Re%3A-Unrecognized-PDF-content%3A-The-document%09contains-PDF-content-or-
Hello!
I hope you can help me. I'm working on a project with electronic
signature and when I verify my signed document I get the error: 4000 -
Unrecognized PDF-Content: The document contains PDF content or custom
content not supported by the current version of Acrobat.
I don't know what the pr
