Sims 2 Legacy Edition Cafeteria worker disappeared

I am playing sims 2: Legacy and then the cafeteria worker in university left for the Day (end of her usual shift) but hasn’t been back for sims two or three days and anyone else notice this bug?

See attached 12:59pm and an  total empty cafeteria

also I bought groceries, but I don’t think that would affect the cafeteria worker