Unreal Engine Issues
Unreal Engine Issues
Crash closing Parent and Child blueprint after renaming variable
UE - Gameplay - Blueprint - Oct 4, 2017REGRESSION Uncertain, was not able to repro in 4.17 with these steps. But I also can't repro with another version of QAGame in Binary editor. Crash occurs when the user closes a parent and child b ...
Crash reimporting Skeletal Mesh that has an extremely high amount of LODs
Tools - Nov 14, 2017I have attached the project I used to repro this as well. All you should need to do is reimport twice on the untitled skeletal mesh and it should crash ...
Crash on setting Material in Element 1 of Combined Mesh
Tools - Mar 19, 2015Crash on clearing or setting the second or third material slot in the Static Mesh Editor on an imported combined FBX Mesh. Also Reproduced in Main Promotable-CL-2484152 (Perforce) NOTE: User is o ...
Project with bStartInVR enabled and Paper2D plugin disabled, editor crashes on startup
UE - Platform - XR - Mar 11, 2017Project with bStartInVR enabled and Paper2D plugin disabled, editor crashes on startup ...
Renaming Native Blueprint Interface category in Blueprint derived class causes crash
UE - Gameplay - Blueprint - Aug 22, 2016Renaming a function category from a Interface class which a class inherits from causes crash. ...
Exiting PIE after ejecting from pawn and opening a level sequence will crash the editor
UE - Editor - Workflow Systems - Oct 26, 2023Editor crashes after ejecting from pawn and opening a sequence when ending PIE ...
Code review for potential fix for crash where Velocity contains NaN
UE - Gameplay - Aug 20, 2015User crashed in the function "void UCharacterMovementComponent::PerformMovement(float DeltaSeconds)" due to a Velocity containing NaN. AnswerHub post details function calls that lead to where the N ...
Crash upon selecting CameraComponent in Sequencer when level is locked
UE - Anim - Sequencer - Aug 14, 2018Selecting a Camera Component in the Sequencer window when the level is locked causes the Engine to crash. This was reported and tested in 4.20.1 (CL-4233996). This was reproduced in 4.19.2 (CL-403 ...
Crash when two textures reference eachother as composite textures
UE - Texture - May 28, 2025When (unintentionally) trying to set one texture as the composite texture of another, which itself is the composite texture of the first, a stack overflow occurs leading to a crash: in UTexture::Pos ...
CRASH: 4.6.1 When running a dedicated server
UE - Gameplay - Blueprint - Dec 24, 2014Crash Report: [Link Removed] <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize() <unknown module>! UE4Editor_Core!FMsg::Logf__VA( ...