Summary
BI Publisher Error - message39 - how do I fix?
Content
I have the most up to date version of OPA installed on my machine. I have also got BI Publisher installed, however the header of the word document looks broken:

When I go to load the XML data, I get a particularly unhelpful error message:

Has anyone come across this before or knows how to fix? I've uninstalled and re-installed a few times.
Thanks!
Paul