[LUG] Blooming PDF's

[tom <tompotts@xxxxxxxxxxxxxxxxxxxxxx>]

I'm trying to attach some files to a pdf using pdftk and getting the 
following:
Unhandled Java Exception:
gnu.xml.dom.DomDOMException: That character is not permitted.
More Information: þÿOpenOffice.org 3.2; modified using iText 2.1.7 by 1T3XT
   at gnu.xml.dom.DomDocument.checkChar(libgcj.so.10)
   at gnu.xml.dom.DomDocument.checkChar(libgcj.so.10)
   at gnu.xml.dom.DomDocument.createTextNode(libgcj.so.10)
   at com.lowagie.text.xml.xmp.XmpReader.setNodeText(itext-2.1.7.jar.so)
   at com.lowagie.text.xml.xmp.XmpReader.replace(itext-2.1.7.jar.so)
   at com.lowagie.text.pdf.PdfStamperImp.close(itext-2.1.7.jar.so)

both the file and the attachment seem to be ok
Anyone got any idea of what this mught be or how to do what I'm trying 
another way>?
Tom te tom te tom

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