Unable to select traits in CAS

Hi. The "traits" option in Build a Sim won't show up. I had mods, but got tired of them a while ago, so I uninstalled all of them from my Mac to free up space. I also made sure to turn outside mods off when in the game. I have a few packs, kits, and expansions, though I don't know if that would mess with my game. I've tried repairing the game three times, uninstalling it, redownloading it twice, and even uninstalling EA overall to see if that would help. I have no worlds right now, and nothing besides those packs taking up space. I'm pretty sure I have the latest version as it has not told me to update, and I think it would do that automatically on reinstillation. I'm not sure what else I'm doing wrong! Please help!