Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_DetailCustomizations!`FBrushDetails::CustomizeDetails'::`2'::Local::OnClassPicked() [brushdetails.cpp:172]
Tools - Aug 29, 2017This is a common crash that has occurred since at least 4.15 and affected more than 100 users. The callstack shares some similarities to [Link Removed], which was not resolved. User DescriptionsGo ...
[CrashReport] FAndroidTargetSettingsCustomization::CopyGooglePlayAppIDFileIntoProject()
UE - Platform - Mobile - Nov 2, 2017This is an early trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 166 TSharedPtr<FAssetThumb ...
Exposure Compensation in PP Has No Effect in Mobile LDR Mode
UE - Platform - Mobile - Jul 2, 2018Tested in 4.19, 4.20 Preview, and 4.21 Main. Per User: Lack of the ability to tune-up the Exposure Compensation makes the scene lighting look visually incorrect, especially in fully baked environ ...
RemoteToolChainPrivate.key permissions issue with Microsoft account Windows users
UE - Platform - Mobile - May 14, 2020Also have attach that exact RemoteToolChainPrivate.key file Logs when attempting to launch TM-ShaderModels Error:[Remote] Using private key at C:\Users\varun\AppData\Roaming\Unreal Engine\UnrealBu ...
Switching modular control rig to FK mode breaks pose of controls that have been baked to rig
UE - ACT Character - Control Rig - Sep 14, 2025From the licensee:We have built a modular Control Rig in Unreal 5.6, and while IK to FK matching works correctly inthe rig, but we are facing an issue when applying mocap animation to the characters ...
Root Motion (RMFE) - Blend with cached pose causes inaccurate root motion
UE - Anim - Gameplay - May 28, 2015With Root Motion From Everything enabled, a Blend node gives different results when feeding it Animation Sequences directly or when first using a Cached Pose. *Simple test project attached Two sce ...
Compile failure adding BTTask_RunBehavior C++ class to project
UE - AI - Dec 22, 2016Error message in log is:CompilerResultsLog:Error: Error MyBTTask_RunBehavior.cpp.obj : error LNK2001: unresolved external symbol "public: virtual void __cdecl IGameplayTaskOwnerInterface::OnGameplay ...
[CrashReport] FGraphActionNode::~FGraphActionNode()
UE - Rendering - Architecture - Materials - Sep 28, 2017This is a trending crash coming out of the 4.18 Previews. User Descriptionstrying to use media framework in mpseemingly random crashes, mostly when interacting with blueprint editorctrl drag float ...
Opening Materials and Material Functions with Vertex Interpolator node Results in Crash
UE - Graphics Features - May 23, 2018Per Licensee: Hello, We are migrating our project from 4.18 to 4.19.2 and we are encountering various crashes while opening our material and material functions. I'm adding a simple test case here. ...
Compute shader TAADilateVelocity crashes on macOS
UE - Platform - Mac - Oct 14, 2021Summary A licensee recently integrated the Oceanology 5 plugin from the marketplace and it triggered a crash on macOS/Metal.Platform The licensee is running macOS Bit Sur 11.5.2 on an AMD Radeon Pro ...