Lights have "secret names" that make it difficult to delete them. If the shadowcams you are stuck with are for lights 1, 2, and 3, the lights may still be lurking in the pz3, even though they don't "exist." This secret name thing is a royal pain. If you rename a light, its shadowcam is named for the "secret name," NOT the name you gave the light. Truly bizarre, and great when you are trying to figure out which light goes with which shadowcam. Mick