How do I get rid of this ghosting caused by Lumen GI?

Development Programming & Scripting Blueprint
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The reason can be lumen screen traces, try typing

r.Lumen.ScreenProbeGather.ScreenTraces 0

in console. It will remove all screen space GI, but should remove ghosting too.

If you still need Screen Traces, you can increase Grid Resolution (default is 48). I didn’t test, but assume this will have performance impact.

r.Lumen.ScreenProbeGather.RadianceCache.GridResolution 256

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