No new missions are created, Brainiacs

Hi, My sims moved to Foxbury after getting all distinguished degree in Britechester, then joined the Braniacs club. At first, my sims got 2 missions, Study for 2 hours and Complete homework. And after that, a new term is started but my sims don't get any new mission on Tuesday and Thursday morning. I still have the completed mission since Sunday. Is it happening only in my game?