Unreal Engine Issues
Unreal Engine Issues
LIVE: EDITOR: CRASH: Editor crashes on iPad4 when attempting to draw a texture that is 2048x1536
UE - Platform - Mobile - Oct 14, 2014Build: 4.5.0-2316912 Description: .exe crashes on iPad4 when attempting to draw a 2048x1536 texture to the HUD Frequency: 2/2 Repro: [Reproduced Internally] 1. Download attached texture file. 2. Ope ...
UnkownRef Mips can cause TextureStreaming peaks during loading
UE - Graphics Features - Mar 27, 2023UnkownRef Mips is meant to fix/workaround the problem where some textures are used for rendering but they don't have any component references them (such as texture used by PP effects) These UnkownR ...
Horde server fails to build Docker image
UE - Foundation - Horde - Server - Apr 1, 2025If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...
Plugin dependencies causing RI parameter initialization failures (UDN)
UE - Niagara - Oct 6, 2023Error on some Niagara emitters using the WindForce module: LogNiagaraEditor: Error: Invalid input type found while attempting initialize new rapid iteration parameters. Function Node: /Game/FX/Expl ...
[CrashReport] Assertion failed: IsValid() - UE4Editor_SlateCore!FWeakWidgetPath::GetLastWidget()
UE - Editor - UI Systems - Slate - Jun 22, 2017This is a common crash occurring among users in the 4.16 release. Users have not provided any descriptions when they crash, so additional information is not currently available. log file attache ...
[CrashReport] UE4Editor_PropertyEditor!SDetailSingleItemRow::OnArrayDrop() [sdetailsingleitemrow.cpp:172]
Tools - Oct 10, 2017This is a trending crash coming out of the 4.18 previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares similarities to [Link Removed] whi ...
BlendSpace DeltaTimeRecord.Delta can incorrectly be set to zero
UE - Anim - Runtime - Apr 19, 2024It's possible for blendspaces to end up with an invalid delta time record because of how UBlendSpace::TickAssetPlayer modifies the time record. This only seems to happen with specific settings:Axis ...
[CrashReport] Assertion failed: SizeX <= GetMax2DTextureDimension() in d3d11texture.cpp
UE - Graphics Features - Aug 22, 2017This is a common and longstanding assertion that has occurred since at least the 4.13 release. User DescriptionsI was messing with a sequencer's camera settings (not playing back, but active) and c ...
[CrashReporter] Crash in FClassExclusionData::IsExcluded() (infinite loop)
UE - Gameplay - Aug 10, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Note: This appears to be a Commandlet crash. Erro ...
CookAdditionalFilesOverride Context struct
UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022virtual void UObject::CookAdditionalFilesOverride allows non-package files to be copied or created during the cook whenever a UObject of your class is in a package that is cooked. This is useful for ...