If the camera is blocked by a wall (in other words, if the camera is OUTSIDE of the room you are trying to render), there are three possible solutions:

-- Try setting the HITHER setting of the camera (in Properties) to zero. Sometimes that fixes it, sometimes it doesn't. Or ...

-- Hide the wall that is blocking the camera. Or ...

-- Move the camera so that it is no longer behind the wall

The dog's head is partially inside the house, so that needs to be fixed also.