Description

setting 

GSupportsTimestampRenderQueries=false or

r.GPUStatsEnabled=0

can fix it

Steps to Reproduce

1、add 
r.Mobile.AmbientOcclusion=False and r.MobileMSAA=4 in DefaultEngine.ini [/Script/Engine.RendererSettings]
2、Launch mac editor, switch to es3.1 or ios preview

Callstack

[Image Removed]

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Fixed
ComponentUE - Platform - Mobile
Affects Versions4.26.1
Target Fix4.27
Fix Commit16310793
Release Commit16310793
CreatedMar 1, 2021
ResolvedJun 15, 2021
UpdatedJun 16, 2021