Thread:Extension talk:Pdf Export/SLES 11 SP2 - Special:PdfPrint does not work

i installed MediaWiki 1.19.2, PdfExport (Version 3.0.1), PHP 5.2.14 (apache2handler). PdfExport show the point "Als PDF-Datei ausgeben". But it doesn't work. No Error message, no entry in logfile.