Yeah, tl;dr, climbed up my house and took a picture of the setup code
from the back side of the camera.Disconnected my first camera, and added
both old and new on the existing home (didn't create a new one).
Experiencing this issue too. Weirdly, I can add my new camera on a new
home setup. Is it possible to bypass the "assisting device" feature? It
looks like the direct connect flow (w/o other nest devices) have better
success rate. In this case, should ...