Cancel a production line installation

Open Production lines at the building and choose Cancel installation on the unfinished line. Materials already delivered return to the building's Inventory, and materials on the way continue to that same building.

The building must have room for both the returned materials and incoming deliveries. If they do not fit, the cancellation fails with a storage explanation and nothing changes. Free up Inventory space and try again.

A queued builder contract is refunded. Once the builder has started work, its fees are retained. Cancelling an installation does not remove any completed production lines.