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How to fix Sims 4 can't load add-on pack
1 click on the origin
2 Click on the application settings.
3 scroll through topics Update the client
4 Close settings Join in the Origin technical preview.
5 Sign out and access the origin again.
6 Click to download the add-on pack !!!!!!!!!
I heard that a configuration fix was rolled out by Origin team yesterday. It was a behind-the-scenes fix; no patch necessary.
So if anyone is still seeing this issue with the Technical Preview, please let us know.