A PostScript error syntaxerror; Offending Command: / can pop up when generating a PDF from an InDesign document made up of placed PDFs. This can happen when a PDF file from Illustrator CS2 is passed through a OneVision Asura system and then placed in the InDesign document. Directly placing the Illustrator PDF gets around the error.
or use the the settings as specified by OneVision to work around that Indesign limitation