IOS Preview on MacOS crashed when open postprocess material that uses stencil

Steps to Reproduce


  1. unzip attached sample project 
  2. open project
  3. settings > Preview Rendering Level > ios preview
  4. open NewMaterial

Test Result : Editor Crashed. please find attached images for callstack


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Cannot Reproduce
ComponentUE - Platform - Mobile
Affects Versions4.
Target Fix5.0
CreatedMay 3, 2021
ResolvedJan 11, 2022
UpdatedJan 12, 2022
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