Unreal Engine Issues
Unreal Engine Issues
Crash When Adding Actor Component Tagged 'Within' to a Game Mode Blueprint
UE - Gameplay - Components - Apr 25, 2016Crash occurs when attempting to add an actor component c++ class to a game mode blueprint if the actor component is tagged with the Within="GameMode". Found in 4.11.2 binary, reproduced in 4.10.4 ...
Material Compile Error [SM5]
UE - Graphics Features - Jun 8, 2016There is an material compile error when using a TexCoord node shared between two Texture samples. The user provided a number of ways to work around the issue, but this issue becomes more problemati ...
Crash when setting Texture Target for Render Target 2D created at Runtime
UE - Graphics Features - Feb 2, 2017A crash occurs when creating a Render Target 2d and setting the texture target at runtime. After running some more tests, the crash seems to occur when setting the texture target, as the creation o ...
DataTable::LoadStructData allocating wrong size
UE - Foundation - Core - Oct 5, 2016Pointed out by a licensee here: UDataTableを読みこんだ際のメモリ破壊について When reading the `UDataTable, in DataTable::LoadStructData()` the contents of the struct are interpreted[Image Removed], but the size of ...
Cannot Add Elements to AIPerceptionStimuliSource's Register as Source on an Instance in the Level
UE - AI - Jun 7, 2016When attempting to add an element to the Register as Source for Senses on an instance of a blueprint in the level, the + button has no effect. Clicking the button does not add an element. This work ...
Trigger Volume Blocks First-Person Template Projectile
UE - Simulation - Physics - Nov 2, 2015When playing in editor, if you fire your weapon at a trigger volume, the projectiles will bounce off of the volume, regardless of the fact that the collision is set to Query Only. This collision als ...
RootMotionModifier_SkewWarp bug
UE - MVF Character - Animation - Mar 6, 2025In /Game/ABPLinkingShowcase/Blueprints/Pawn_ABPLinkingCharacter: The character mesh’s root location is lower than the capsule’s lowest point. This is what causes the issue. Based on the event graph, ...
UDN : Mutable Trying to Access Invalid UEdGraph Pointer
UE - Runtime - Mutable - Mar 6, 2025Hello, We've started seeing a crash within Mutable when it tries to access the source graph in PIE. This only seems to be a problem when running a dedicated server as a separate process. We integra ...
Adding Text Render Component at Runtime Crashes Standalone
UE - Gameplay - Components - Nov 2, 2015Adding a text render component to a blueprint through C++ at runtime crashes the standalone player. It does not have any effect on PIE. Also, this only seems to occur when the blueprint in question ...
Custom Component Being Added to Wrong Target Blueprint
UE - Gameplay - Components - Nov 2, 2015When attempting to add a custom component to a blueprint at runtime using the Add Component function, if you give the component an exposed variable, it will ignore whatever target you specify and ad ...