Conversation so far:
When did Paul return to Europe?
After about 20 years of working and living in the United States, Verhoeven returned to the Netherlands for the shooting of a new film.
What film was Paul Verhoeven shooting when he returned to Europe?
Together with his screenwriter Gerard Soeteman, Verhoeven made Black Book
Did the movie Black Book by Verhoeven do well?
The director was hailed by the host of the Netherlands Film Festival with the words The return of a hero.“

Question: What else happened while making the movie?
Self-contained rewrite: What else happened while making the movie Black Book by Paul Verhoeven?