Geometry cahces check if they are in the game thread, which causes a crash when their packages are async loaded in a cooked build.
RESULT
The client will crash on a check in FGeometryCacheStreamingManager::AddGeometryCache(UGeometryCacheTrackStreamable * Cache) Line 228 C++
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-74675 in the post.