Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UAIBlueprintHelperLibrary::CreateMoveToProxyObject [aiblueprinthelperlibrary.h:26]
UE - Foundation - Core - May 9, 2018User comments in crash group:I tried making an AI run into my sidescroller characterstarting level with ai 2188 void RemoveAllSwap(const PREDICATE_CLASS& Predicate, bool bAllowShrinking = tru ...
Crash caused by Buffer Overread in TBitArray operator < function
UE - Foundation - Core - Aug 29, 2018A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...
Smart Nav Links created via Load Level Instance are broken, but Simple Nav Links are fine
UE - AI - May 20, 2019Maps brought in via Load Level Instance that contain Nav Link Proxys configured to use the Smart Link instead of the Simple Link end up creating a link at the center of the world instead of their ac ...
Pawn's role is incorrect in BeginPlay on client if a multicast RPC is called in BeginPlay on server
UE - Networking - Jun 6, 2022It seems as though calling a multicast RPC during BeginPlay on the server will cause the new actor to finish spawning on the client before applying any initial replicated data, such as the actor's R ...
Packed level blueprint does not behave as noted in documentation.
UE - World Creation - Worldbuilding Tools - Nov 28, 2022In the documentation page: [Level Instancing in Unreal Engine | Unreal Engine 5.0 Documentation|https://docs.unrealengine.com/5.0/en-US/level-instancing-in-unreal-engine/] it is mentioned that: [ ...
Specular highlight and roughness issue on clearcoat material with second normal at certain view angles
UE - Graphics Features - May 21, 2025Specular highlights on non-Nanite meshes with a clearcoat material that has the second normal enabled will disappear at certain view angles. This can be worked around by adding a constant node to th ...
[CrashReport]Assertion failed: InitState == EWorldPartitionInitState::Uninitialized [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartition.cpp] [Line: 1485]
UE - World Creation - Worldbuilding Tools - World Partition - Sep 12, 2023Generated from CrashReporter Logs can be obtained via Crash Reporter ...
Select node causes HTML5 project to crash in browser
UE - Platform - Mobile - Nov 24, 2015Select node causes the project to crash on HTML5. Expression (ExportMap.IsValidIndex( Index.ToExport() )) failed in D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\CoreUO ...
Axis Scale changes made in Project Settings > Input are ignored in PIE with Dedicated Server enabled
UE - Gameplay - Input - Jun 16, 2015Axis Scale changes made in Project Settings > Input are ignored in PIE with Dedicated Server enabled. Does not occur while Dedicated Serve is disabled. Reproduced in 4.7.6, 4.8.0, and Main (//depot ...
Generating Lightmap UVs doesn't automaticly switch LightMapCoord Index
Tools - Jul 17, 2015When Import a meshes then open the staticmesh editor and turn on the "Generate Lightmap UVs" in the Build Settings. Then hit apply button to genereate the Lightmaps. It will generate the Lightmap bu ...