I was having an issue adding my hub back, then I realized I was trying to add my hub and lights with the old hue connect smartapp. The old hue connect would find my hub, but kept giving me an error when adding my lights. After realizing there was a new hue connect smartapp under marketplace–>lights & switches–>light bulbs–>phillips–>phillips hue light bulb–>connect now, i was able to add my hub and bulbs with no problem.