Unreal Engine Issues
Unreal Engine Issues
Adding a new widget class to a 3D widget causes a crash
UE - Editor - UI Systems - Jan 2, 2015When clicking the button to add a new class to a widget component via the [+] button the engine will crash ...
Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window
UE - Anim - Sequencer - Mar 31, 2023Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...
Crash when using both tessellation and virtual texture on a landscape material
UE - LD & Modeling - Terrain - Landscape - Feb 11, 2020When a landscape is set up to use runtime virtual texturing. If it uses a material that writes to a runtime virtual texture and has tessellation enabled. Then we see a crash and the log reports: ...
Compiling blueprint with anim bp crashes editor in MathExpr exec
UE - Gameplay - Blueprint - Jan 30, 2016Compiling a player character blueprint that is tied to an anim bp crashes the editor. Frequency: 2/2 Crashreporter: N/A ...
Niagara crashes with skeletal mesh sampling in GPU system in Vulkan
UE - Niagara - Sep 17, 2019Switching over to GPUCompute with Skeletal mesh surface sampling will crash in Vulkan. This does not occur with CPU sims or in D3D. When testing with D3D I would get the same Niagara compile warning ...
Crash opening Child/Grandchild Blueprint after updating to 4.18
UE - Gameplay - Blueprint - Nov 29, 2017From this UDN: https://answers.unrealengine.com/questions/718928/4180-editor-crash-while-opening-child-blueprint.html Crash occurs when opening child (or in the repro case, grandchild) blueprints a ...
Crash when compiling for instrumentation after adding an exec pin to a collapsed graph
UE - Gameplay - Blueprint - Aug 15, 2016Editor crashes when compiling for instrumentation after adding an exec pin to the collapsed graph. This only occurs if the exec pin was added through a drag and drop method. Adding the exec pin to ...
VR preview Crashes for the Oculus Rift on 4.8 preview 3
UE - Platform - XR - May 20, 2015If the User starts up the VR preview mode with an Oculus rift plugged in the editor will crash. ...
Crash importing morph targets with animation and opening it in animation editor
UE - Graphics Features - Mar 31, 2017Lina encountered a crash when importing the attached FBX file with morph targets and animation, and then opening it in the animation editor. I was not able to reproduce this issue in QAGame (her re ...
Crash when changing shadow scalability settings to low, then clicking in the viewport
UE - Graphics Features - Jun 9, 2016A crash occurs after setting the shadow scalabilty settings to "low" then clicking on an item in the viewport. The issue also occurs when setting all of the scalabilty settings to low at one time as ...