kontzBern

It happened to me several times as well, because of the PDF's being corrupted, I supposed. Nevertheless, I wasn't capable enough to sort that out with just looking at the code and thinking, so I fixed them manually with the editor. A trial version of Acrobat Pro didn't allow to do so, and I did with this [link-removed ]because it's cheaper and has the same functionality. Hit-or-miss, but worked out nevertheless