It's been reported that using the rolling ball physics on a flat landscape will cause the rolling ball to bounce when it crosses a seam. It does not happen on every single seam, but it happens pretty frequently. Must be on low FPS though.

Possibly related to: [Link Removed]
Also tested in 4.8 Main: UE4/Promoted-CL-2513846

Steps to Reproduce

1. Create a new rolling template
2. Delete the floor
3. Replace the floor with a flat landscape
4. Press Play
5. Enter the console command: t.maxfps 10

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Won't Fix
ComponentUE - Simulation - Physics
Affects Versions4.7.64.8
CreatedApr 21, 2015
ResolvedApr 22, 2015
UpdatedJul 14, 2021