[gerikg]

Okay I think I got it. Thanks to Kernpunt (https://bbpress.org/forums/topic/first-pass-at-a-fix-for-deep-integration-in-trunk#post-55915) I didn’t have access to the error logs.

I deactivate both plugin from both sides (for now).

I didn’t have clue what it was. I thought it was because my php memory was limited.

Now I’m integrating BBpress theme into WP!