Forum Discussion
@lapis107 Even though it looks like Seasons is throwing the error, it's really Late Night that is causing it. LN is one of four packs that don't install correctly, so you'll need to apply two workarounds to fix it. But start by running the Super Patch to manually patch the game.
https://bluebellflora.com/sims-3-manual-super-patch-for-mac-1-67/
The first workaround is simple: create an alias for LN in Applications\The Sims 3, alongside the alias for the base game:
https://bluebellflora.com/sims-3-packs-not-showing-as-installed/
The second workaround is to copy a folder from Late Night into a folder for Seasons, which is your newest pack by the date EA released it. The folder normally gets copied over, or rather a shortcut gets created to the original, but this doesn't happen for Late Night. This video shows how to do it manually:
If you do these steps and still get an unknown error, please list the specs of your computer, as described in this post: