Unreal Engine Issues
Unreal Engine Issues
Existing widget name error from rejected widget object.
UE - Editor - UI Systems - Dec 5, 2017Rejected widget object for paste action from other widget somehow remains in the widget editor making name conflict for other widgets. ...
Missing receipt error packaging Blueprint project for tvOS with custom iOS icon (Launcher build)
UE - Platform - Mobile - Apr 15, 2019This failure occurs when trying to package SunTemple for TVOS. It did not occur with a blank blueprint project, until I added a custom iOS icon and tried to package a second time (I hypothesize th ...
Instanced EditInlineNew objects are parented to the CDO when used by a child BP of a parent BP that inherits from a native class
UE - Framework - Blueprint Runtime - Mar 21, 2024EditInlineNew objects added to Instanced array stored in a struct are seemingly ignored and the object is instead parented to the CDO of the owner. The owner must be the BP child of a parent BP tha ...
The Command and Control keys are swapped for Input nodes on Mac
UE - Gameplay - Input - Nov 4, 2014Mac only. The Command and Control keys are swapped for Input nodes. Pressing the Left Command key triggers Left Ctrl, pressing Left Control triggers Left Cmd, and pressing Right Command triggers R ...
Crash in Standalone when using a Blueprint Library Function inside a Macro from a Macro Library
UE - Gameplay - Blueprint - Jan 9, 2015Using a Function from a Blueprint Library inside a Macro from a Macro Library will cause a crash when using Standalone Game for PIE. The same setup will function as expected when Playing in Selected ...
ChildActor Component with physics spawns at the wrong location
UE - Gameplay - Jul 16, 2015ChildActor Component spawns at the wrong location as long as the actor that the ChildActor is referencing has the StaticMesh set as the root and simulating physics. User Description: Basically I h ...
[CrashReport] UE4Editor_BlueprintNativeCodeGen!FBlueprintNativeCodeGenModule::GenerateSingleAsset() [blueprintnativecodegenmodule.cpp:391]
UE - Gameplay - Blueprint Runtime - Aug 22, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: bSuccess [Link R ...
[CrashReport] UE4Editor_CoreUObject!FCompressedChunk::FCompressedChunk()
UE - Foundation - Core - Jul 24, 2017This is a common crash affecting users in 4.16 and the 4.17 Previews. The two descriptions provided by users say their crash occurred after updating their project from 4.13. User DescriptionsUpgra ...
[CrashReport] UE4Editor_UnrealEd!SCurveEditor::OnObjectPropertyChanged
Tools - Aug 1, 2017This is a common crash that has affected more than 170 users since at least 4.15 and occurring into 4.17. Based on one user description and frequent project names, this appears to commonly correla ...
New material translator: Switch statement not derivative aware
UE - Graphics Features - Jun 13, 2025Analytical Derivatives are not calculated properly when using UMaterialExpressionSwitch. Disjoint UVs in screen space result in large jumps in the derivatives, which can cause artifacts as the wrong ...