[chrishajer]

I think you need to include WordPress in your bbPress so you have access to WordPress functions like get_header:

https://bbpress.org/documentation/integration-with-wordpress/#func

Then, in your template, you need to do something like this:

<?php get_header(); ?>

That will include the WordPress header. If you do the second part without the first, it will fail because get_header is a WordPress function.

I think…