Unreal Engine Issues
Unreal Engine Issues
Recast rcScopedDelete<T>::resizeGrow copies too many elements
UE - AI - Navigation - Nov 5, 2024Context The Recast module has a helper struct rcScopedDelete for allocating, resizing and automatically freeing the allocated memory when the struct goes out of scope. Its allocation functions can ...
[CrashReport] UE4Editor_Engine!FBlueprintDebugData::FindBreakpointInjectionSites() [blueprintgeneratedclass.h:382]
UE - Gameplay - Blueprint - Aug 29, 2017This is a common and longstanding crash that has occurred since at least 4.9 and affected over 280 users. User DescriptionsI added an item to a BP struct. Last time I did this (several months ago) ...
Duplicated TextureLoadVirtualPageTable in GetCustomData functions in generated HLSL add to the total instruction count due to TextureLoad having side effects
UE - Rendering Architecture - Materials - Dec 4, 2024When using materials with CustomData inputs, such as the Eye material with Iris Distance and Mask, Virtual Texture samples will increase the instruction count for each unique VTPageResult. Each cus ...
When using HasNativeMake or HasNativeBreak, the displayName of the structure property does not work properly.
UE - Gameplay - Blueprint Editor - Mar 31, 2022When using HasNativeMake or HasNativeBreak, UK2Node_CallFunction is used instead of K2Node_BreakStruct, but UK2Node_CallFunction does not consider the property DisplayName. Collecting the propertie ...
Property "GameFeatureData.PrimaryAssetTypesToScan.Directories" should be tagged with "ForceShowPluginContent"
UE - Foundation - Oct 11, 2025When using a Game Feature Plugin, one of the settings available in the "GameFeatureData" DataAsset (class UGameFeatureData) is "PrimaryAssetTypesToScan", which is an array of FPrimaryAssetTypeInfo s ...
Crash when Importing .OBJ using the File > Import into Level Option
UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016This JIRA is being entered as a result of it being one of the top crashes in 4.13.0. Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 1671 ...
Editor cannot handle blueprint structure using an Actor Map variable
UE - Gameplay - Blueprint - Aug 28, 2017If a blueprint structure contains a map variable with Actor Class Reference as the key, populating the map with a custom blueprint (ActorSet) and adding a variable of the structure to any other blue ...
The Find Node Can Crash on Compile After a Blueprint Compile Error
UE - Gameplay - Nov 21, 2019The "Find" node can cause a crash if the a map with a struct value changes type while connected, is disconnected and reconnected. Compilation fails and crashes the engine. Found in 4.23.1 CL#963142 ...
[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::SetResourcesFromTables<FD3D11PixelShader>() [d3d11commands.cpp:1500]
UE - Graphics Features - Jul 5, 2018User comments in crash group:Light exort crashSwarm agent crash.Building lighting 1496 #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) 1497 if (!Buffer) 1498 { 1499 ***** UE ...
Find in Blueprints: Default values of TMap keys are not returned
UE - Framework - Blueprint Editor - Sep 3, 2025Context Find-in-Blueprints can be used to search the current, or all, blueprints. If you enter a simple string, it would return nodes, pins, pin default values and default values for BP Variables ( ...