Unreal Engine Issues
Unreal Engine Issues
Editor Crashes when spawning a Physics enabled object inside another
UE - Simulation - Physics - Sep 22, 2017Editor Crashes when spawning a Physics enabled object inside another. Regression: Unknown Can Test in Main if requested. ...
Console command “showflag.rendering 0” causes crash
UE - Rendering Architecture - Jul 10, 2025A crash occurs when the console command “showflag.rendering 0” is executed. This does not occur in UE5.5, so it is a iassue in UE5.6. ...
[MRQ] Simulating in editor during runtime rendering causes an assertion to fail after rendering is done
UE - Graphics Features - Apr 19, 2022Simulating in editor during runtime rendering causes an assertion to fail after rendering is done. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there ...
Changing transform of simulated component during physics freezes motion
UE - Simulation - Physics - Oct 13, 2016If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...
Implied Decal Blend Modes don't properly account for Material Attributes usage
UE - Graphics Features - Sep 28, 2021I've attached a project with the necessary materials that demonstrate this issue. I would expect that just because a Set Material Attributes node is inside a material graph it wouldn't affect the de ...
[CrashReport] UE4Editor_Engine!CropRawTrack() [animsequence.cpp:1798]
OLD - Anim - Dec 14, 2018Comment from user in crash groupTried to delete frames in an animation ...
[CrashReport] UE4Editor_Core!FText::FText() [text.cpp:165]
Tools - Jan 12, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
[CrashReport] UE4Editor_Core!FText::IsEmpty() [text.cpp:230]
Tools - Apr 6, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Index >= 0 [Link Removed] [Line: 401] Source Context: 215 ...
AutoCreateRefTerm does not provide a way to specify that a TArray property within a struct should have a default value created for it if none is provided
UE - Gameplay - Feb 9, 2018The current implementation of AutoCreateRefTerm does not allow for a default value to be automatically created for a TArray contained within a struct that is passed into a function as a parameter. I ...
Crash when trying to launch ShooterGame with -game
UE - Online - Jul 11, 2017Might be related to the changes in //UE4/Release-4.17 at CL 3527005. I was also able to repro this via PIE-Standalone Game in the editor. When I repro'd this with PIE-Standalone Game the Standalone ...