Hello! I was just wondering if there is any possible solution to fix something that occurs in the game during the loading screen.
I've figured out that the .package file of the Master Controller for The Sims 3 has caused my game to crash during loading. I still want to install it into the game, however, I'm not sure how to.
Note: I have double and triple checked that the controller is up to date with the patch that I have (1.67), and it still happens.

Hello. There is nothing unusual about installing MC, it should be as easy to install as other packages. Do you have any other mods installed? Or CC? I just want to make sure that you have this installed in the right place and it works.

A common cause of that is installing the Master Controller Progression module without having Story Progression installed. If you're using MC Progression, I'd suggest removing it and seeing what happens, even if you've also got Story Progression installed.