Complex sentence: In that year, legal complications over the ownership of the film forced the negative into a Paris vault where it remained until 2004, when Peter Bogdanovich (who also acted in the film) announced his intention to complete the production.
Split into simpler sentences: In that year, legal complications over the ownership of the film forced the negative into a Paris vault. In 2004 director Peter Bogdanovich, who acted in the film, announced his intention to complete the production.