Unreal Engine Issues

UE-40591

Crash attempting to play in Mobile Preview

Crash attempting to play in Mobile Preview

Description

This is a regression from 4.14.3

Steps to Reproduce
  1. Open a project in the editor
  2. Click the playmode dropdown and select Mobile Preview

Result: Mobile preview instance crashes

Callstack
UE4Editor_Renderer!FReadBuffer::Initialize() rhiutilities.h:68 
UE4Editor_Renderer!FMinimalDummyForwardLightingResources::InitRHI() renderer.cpp:42 
UE4Editor_D3D11RHI!FD3D11DynamicRHI::InitD3DDevice() windowsd3d11device.cpp:995 
UE4Editor_RHI!RHIInit() dynamicrhi.cpp:181 
UE4Editor!FEngineLoop::PreInit() launchengineloop.cpp:1633 
UE4Editor!GuardedMain() launch.cpp:127 
UE4Editor!GuardedMainWrapper() launchwindows.cpp:134 
UE4Editor!WinMain() launchwindows.cpp:210 
UE4Editor!__scrt_common_main_seh() exe_common.inl:264 
kernel32!<Unknown> 
ntdll!<Unknown>

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Fixed
ComponentUE - Graphics Features
Affects Versions4.15
Target Fix4.15
Fix Commit3257485
Main Commit3389599
Release Commit3257485
CreatedJan 13, 2017
ResolvedJan 18, 2017
UpdatedSep 16, 2019
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