Cannot print to PDF file

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Hi,

AB version 3.4 , using newest 1.16 WH40k 7th edition data files.

I have the newest 1.6 PDF plugin and have tried installing the plug in manually and automatically through the updater. I've also tried to re-install both army builder and the PDF plug in.

I get the following error currently when trying to output a file to PDF.

"To create PDF files, you must download the PDF plugin for Army Builder. This is available as a free download from the updates mechanism".

I have also tried restarting my computer.

I had no issues saving to PDF files with the 6th edition core files. This has been the first time I've tried with 7th edition files.

Any ideas on what is wrong?