My Wedding Stories Not Working

I have multiple issues with the my wedding stories pack. So far I've had three weddings and with each I have had issues. When selecting m wedding cake it makes it disappear and doesn't have it come back during the wedding. None of the guest show up during the wedding and the officiant, flower pal, and ring bearer don't show up either. When I select a dress code the very few guest that come are in random clothes from CAS. The only thing that seems to work are the commands such as "throw rice" or "have first dance." I don't know if it's a mod issue or if others have this problem.