Unreal Engine Issues

UE-21016

Opening Particle System in Debug Mode will crash Editor

Opening Particle System in Debug Mode will crash Editor

Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.

UDN
Description

Running a Project in Debug Mode and attempting to open a Particle System using a DepthFade node in Material will crash the Editor with the message listed in Callstack

Steps to Reproduce
  1. Unzip Attached Project
  2. From UDN_CheckFail.uproject, switch Engine Version to a Source build of 4.9
  3. Open Solution File in Visual Studio
  4. Select "Debug Editor" as Solution Configuration
  5. Selecting the UDN_CheckFail Solution in Visual Studio, F5
  6. On Project opening, Select the Particle System in the level
  7. Without deselecting the particle system and from content browser, open the P_Test System in Cascade by double clicking

RESULTS: Assertion Fail listed in Call Stack

EXPECTED: No Assertion Fail

Callstack

[2015.09.11-00.32.58:237][793]LogWindows: === Critical error: === Assertion failed: !SceneColorTextureParameter.IsBound() && !SceneDepthTextureParameter.IsBound() && !SceneColorSurfaceParameter.IsBound() && !SceneDepthSurfaceParameter.IsBound() && !SceneDepthTextureNonMS.IsBound() [Link Removed] [Line: 2222]

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Won't Fix
ComponentUE - Graphics Features
Affects Versions4.9
CreatedSep 11, 2015
ResolvedMay 30, 2017
UpdatedApr 27, 2018
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