You may get a popup telling you an update is available, go ahead and update.

Double click on the pack icon you are missing.

In the Finder window that opens navigate to Contents > Resources > AddOns.

Navigate to your base game in Applications > Electronic Arts > The Sims 3, right click on it and then select Show Package Contents.

If you try to launch the game from another EP/SP or the base game you get the Unknown Error message.Īmbitions, Fast Lane, Late Night, Outdoor LivingĪll those downloading and installing the digital versions of the affected packs through Origin.ĭuring the installation process the add on pack alias (shortcut) is not being added to the base game Application folder so the game cannot find it. You have just downloaded and installed an Expansion or Stuff pack through Origin but the pack is not showing up in your Applications > Electronic Arts > The Sims 3 folder. Get yourself comfortable before doing this, depending on how many EPs and SPs you have it may take a while! You will also need to probably follow those instructions in order to complete the installation successfully. This is related to, but not the same as, the other Unknown Error message whereby files need copying from one EP to the other. Customize your homes with styles and artifacts you find along the way! The Sims 3 Generations - Sims of every age can enjoy new activities! From a raging all-teen party to an official wedding ceremony, there are always new hijinx and drama to see! Bonus Downloadable Content - Get your Sims ready to travel and play in style with popular clothing selections from the Jet Set pack.If your installed Expansion and Stuff Packs aren’t showing as installed in your Applications > Electronic Arts > The Sims 3 folder and you are receiving the Unknown Error message then you need to follow the instructions below to get your packs working properly. The Sims 3 Expansion Bundle lets your Sims live life to the fullest! * Requires The Sims 3 to play The Sims 3 World Adventures - New challenges and skills await you. Experience the complicated realities of adult life, then reap the benefits of growing through each life stage. if your Sims succeed! In The Sims 3 Generations Expansion Pack, start off in the imagination-fuelled world of childhood and embrace the drama of the teen years. Uncover new skills, experience new personality traits, and garner rewards. Your Sims will journey to exotic destinations to hunt for hidden treasures in The Sims 3 World Adventures Expansion Pack. Take Sims of all generations on the adventure of their lives with The Sims 3 Expansion Bundle*.

Sims 3 expansion packs