: Adobe PDF error when printing. What's STACK? I'm receiving a mysterious error when printing a .PDF. The exact message it prints out (wrong linebreaks) is: ERROR: undefinedresult OFFENDING

@Michele215

"STACK" is a programming term used to describe functions currently in use to accomplish a particular task. Postscript, the technology behind PDFs, is a programming language in its own right. But unless you are a programmer who understands Postscript, that will do little to help troubleshoot the error.

I would say that something happened when the PDF was being created, some odd transformation that the Postscript driver had a hard time understanding, either because the complexity of the effect or there could have been a bug in the driver that created the PDF, that is in turn causing the printer driver to have a hard time.

One workaround that sometimes works is, in Acrobat, go to the Advanced settings in the Print window and select "Print as image." Either way, you will have to troubleshoot your original document (if you can) to see if there is something odd you can clean up before making another PDF.

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