Whenever any part is damaged and therefore cannot be used for 3D printing, a large warning sign with an exclamation mark is displayed in the bottom right of the viewing screen, and a little warning sign is placed next to the part in the project tree. Before building these parts, they must be repaired.
Left: This caution sign in the bottom right of the screen indicates that one or more parts in the project are damaged. Right: The warning signs indicate that parts 3 and 4 are damaged.