Sims stop reponding. they just stand there looking around

Product: The Sims 4
Platform:Mac
Which language are you playing the game in? Español
How often does the bug occur? Occasionally (10% - 49%)
What is your current game version number? 1.110.311.1220
What expansions, game packs, and stuff packs do you have installed? EP1,2,3,4,5,7,9,11,13,15 GP1,3,4,5,8,10 FP1 SP1,3,4,5,8,9,10,11,13,14,16,17,18,22,29,35
Steps: How can we find the bug ourselves? mother wants to bath her toddler. couple with toddler in Finnwick when it snows, they send the kid home and they go ice skating, then they finish and start talking to people. Then they suddenly stop reponding.
What happens when the bug occurs? Sims stop reponding. Their queue is empty and they don't get to do anything new. They just stand there, looking around themselves. They also stop speaking to others or doing whatever they were doing.
What do you expect to see? sims starting the new tasks i give them and behaving normally
Have you installed any customization with the game, e.g. Custom Content or Mods? Never used.
Did this issue appear after a specific patch or change you made to your system? No