cas and ingame bug game crashes after adding a second sim or giving birth

Hi @naomiboe12345

these kind of errors are most often mods/cc related.

If you're using any, please remove them and try again.

See this for more information: [PLEASE READ] Usage of Mods and Custom Content

If you're not using any, could you post your Computer's DxDiag?

To gather a DxDiag on your computer, please follow the steps here: https://help.ea.com/en-us/help/pc/how-to-gather-dxdiag-information/

You can attach the txt file to your post directly.