update solution- Turned watch power off then back on and all activities were back.
My watch is new, I set it up, my 1st activity was 30 mins strength training with my personal trainer. I had the workout activity on, result said I did one set, the muscle map only showed my shoulders when I did lunges and other leg exercises. Today for some unknown reason I lost all my activity favorites, I don’t know how to get them back the screen is blank no means of adding activity, I have no idea what to do. My watch as it is is useless. The sleep tracker has been inaccurate. I have no idea what else is inaccurate. Anytime I’m not inactive it says I’m stressed. Brand new $300 watch??? Is my Watch defective?