Unreal Engine Issues
Unreal Engine Issues
Crash occurs when importing attached FBX with default import settings
UE - Editor - Content Pipeline - Import and Export - Dec 22, 2016While verifying a bug for 4.15 UE-39952 , I tried to repro in 4.14.2 and the editor crashed while attempting to import the attached FBX In 4.15, the Editor does NOT crash a window pops up stating t ...
Duplicating a blackboard node within a behavior tree will cause a crash
UE - AI - Jul 16, 2015When using the shortcut Crtl+W to copy a blackboard node within a behavior tree the editor will crash ...
[CrashReport] Crash in UViewportWorldInteraction::FindTransformGizmoAlignPoint
UE - Editor - Workflow Systems - Apr 27, 2017This is an early trending crash coming out of the 4.16 Preview. Users have not provided any additional information about this crash. This was also experienced internally by Alex.P [Link Removed] ...
Infinite Script Recursion error crashes editor and produces UnrealScript errors in logs
UE - Gameplay - Blueprint - Aug 14, 2015Macro that causes an infinite script recursion error crashes editor and produces errors in output log referring to UnrealScript. Frequency: 3/3 Crash Reporter; [Link Removed] ...
Crash when modifying BP custom event after deleting BP function
UE - Gameplay - Blueprint - Mar 24, 2017If a BP function contains a Create Event node, deleting the function will cause the editor to crash when modifying any custom event of that BP. Regression: No - same behavior occurs in 4.14.3 Binar ...
Compiling any material in UE 5.5.1 without ShaderCompiler JobCache results in a crash
UE - Rendering Architecture - Shaders - Jan 15, 2025Compiling any material with r.ShaderCompiler.JobCache=0 causes ShaderCompileWorker to crash. Reproduction steps cause a crash during Editor startup, but this bug may affect other scenarios where mat ...
Crash when creating a Material Instance of a Material with Material Attribute Layers expression connected to a Substrate Convert Material Attributes.
UE - Rendering Architecture - Materials - Mar 8, 2025A UDN user has reported this crash [Link Removed] The user also reports that the editor will crash:If the material is loaded while in PIE.If the material is used in a level (crash occurs when the l ...
Crash when Deploying to iPad Air with BC4 Texture Compression Setting
UE - Platform - Mobile - Jun 7, 2016App/project crashes when setting a texture's compression settings to BC4 and deploying to the iPad Air. As the user in the op states on AnswerHub, the problem seems to lie with specific texture com ...
Crash on Applying a Material with PN Triangles Tessellation to Large Landscape
UE - Graphics Features - Apr 21, 2015When applying a Material with nothing in it but PN Triangles turned on to a Large Landscape, the engine will crash. Also Reproduced in Main Promotable-CL-2513846 ...
Crash occurs when Switching between Engine Scalability Settings after Adding Landscape Material
UE - Graphics Features - Nov 15, 2016A crash occurs when the licensee modifies the engine scalability settings after clearing and reapplying a landscape material. ...