Milestones not appearing in Sims 4 Growing Together for none of my sims

I have had this issue, but with only one milestone, the toe-in-mouth one. Several times after playing with blocks in the sidebar it comes up with the reaching milestone action and the baby puts their toe in their mouth but the milestone is still greyed out/ not achieved. I don't have any mods or cc, so I have tried to update and repair the game. So far nothing has worked.