This has been happening for a while now, at first I thought it was happening randomly but now it seems the floor (all floor tiles) and the ground turn completely black every time a sim on the lot changes into something else (so basically when they spin around). Oh, and I don't know if this is connected or not but sometimes my game will crash suddenly, and when I say suddenly I mean SUDDENLY. It doesn't slow down, things don't start glitching at an unhealthy speed, the sounds don't go into repeat, it will be doing just fine then BAM it's gone and I'm staring at my background. Anyone else experience this? Or better yet, know how to fix it?