Answer
Some users have reported the following issues with the Sims 3 after patching to version 1.7 or installing the World Adventures expansion:
Losing relationships with other Sims
An inability to interact with other Sims
After travelling, returning home to find all the lots in town are empty and tinted blue
While we do not currently have any workarounds for these issues, our engineers are hard at work and should have a solution to this issue very soon. To receive a notification when new solutions are available, please click the "Notify Me by Email if this Answer is Updated" button at the bottom of this answer.
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