Production Hell was the term for where film projects languished.
Faction Hollywood developed Production Hell as a prison to deal with recalcitrant members. It also served as a source of sacrificial energy from the ideas, time and money given to the project for lesser and lesser overt results. The decreased feelings of self-worth experienced by those in Production Hell made them more willing to follow the Faction's dictates so they could be released.
The prime, and primary, example was The Mystery of Edwin Drood. Initially directed by James Whale, the project began in 1936. In 1957 it was still being made, leading Whale to kill himself. Some believed that the film eventually became its own ulterior world. (PROSE: The Book of the War)