Unreal Engine Issues
Unreal Engine Issues
Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing
UE - Anim - Anim in Engine - Jul 11, 2022Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing. ...
[CrashReport][Crash] UnrealEditor-Core!IMemoryReadStream::CopyTo()
UE - Rendering Architecture - Apr 10, 2025Intermittent crash in virtual texture transcode. Usually mempy from nullptr but also occasionally we see the same callstack with memcpy to random location. ...
[CrashReport] UE4Editor_MovieSceneTools!FPropertySection::GetPropertyValue<float>() [propertysection.h:70]
UE - Anim - Sequencer - Sep 20, 2017This is a somewhat common crash in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 58 /** Gets the current value of the property w ...
Spline mesh crashing in FRayTracingDynamicGeometryCollection::AddDynamicMeshBatchForGeometryUpdate
UE - Graphics Features - Ray Tracing - Jan 31, 2025A crash occurs when using ray tracing with spline meshes preceded by the following ensure : Ensure condition failed: NumCPUVertices <= VertexBufferNumElements File: Engine\Source\Runtime\Renderer\ ...
[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2305]
UE - Gameplay - Jan 24, 2018Comments from users:I was simply syncing my project with the git repository at the end of it, it crashed with this errorperforce resync ...
[CrashReport] UE4Editor_Kismet!FBlueprintEditorToolbar::GetStatusImage() [sblueprinteditortoolbar.cpp:669]
UE - Gameplay - Blueprint Editor - Aug 15, 2017This is a trending crash coming out of the 4.17 release. Users have not provided descriptions of their actions when the crash occurred. Source Context 658 switch (Status) 659 { ...
Crash on Check Always Create Physics State on Simulated Skeletal Mesh
UE - Gameplay - Components - Jun 25, 2015When you place a Skeletal Mesh using a Simulated Physics Asset into a Blueprint, check Always create a Physics State and Save BP, crash. [Link Removed] Also reproduced in Main Promotable-CL-259954 ...
Compiling a grandchild Blueprint via automated test can lead to crash
UE - Gameplay - Blueprint Compiler - Feb 10, 2020The crash doesn't happen if the blueprints are loaded ahead of the test by opening them, or if you compile all of them in the same test run. ...
RewindDebugger draws debug capsules with its base location as center
UE - Anim - Oct 31, 2024Context UE_VLOG macros can be used to capture debug shapes into both a Visual Logger recording and a Rewind Debugger recording. Problem In the Rewind Debugger, the capsule shapes are drawn at an in ...
[CrashReport] UE4Editor_PropertyEditor!FPropertyEditor::IsEditConditionMet() [propertyeditor.cpp:632]
Tools - Oct 27, 2017This is a trending crash coming out of 4.18.0. The issue appears similar to [Link Removed], which was just fixed in 4.18. User DescriptionsProject was just imported from UE 4.17.2 , opened a bluep ...