Unreal Engine Issues
Unreal Engine Issues
Duplicate .so files in GoogleVR.
UE - Platform - XR - Jun 2, 2017A licensee recently pointed out that there are now several GoogleVR lib files in 4.16 that are present in the Engine twice due to some of them being copied into a subdirectory. For example, , in 4.1 ...
[CrashReport] UE4Editor_Core!TArray<wchar_t,FDefaultAllocator>::operator=() [array.h:396]
Tools - Nov 21, 2017This is a common crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack seems to be the same as [Link Removed], which ...
AIPerception components inherited from a native parent class do not expose the DetectionByAffiliation field on senses for editing in the Blueprint editor's Details view.
UE - Gameplay - Blueprint - Dec 15, 2017The "Detection by Affiliation" field cannot be edited in the Blueprint editor's Details view for an inherited AIPerception component in the "Senses Config" array if the AIPerception component is inh ...
Crash When Toggling Visibility of Level with Planar Reflection
UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...
Unnativized BP function fails to return a valid reference to a component when the calling BP is nativized
UE - Gameplay - Jul 5, 2019The nativized spawner receives an invalid reference from the non nativized actor and fails silently meaning the variable doesn't get set. Additional info: This issue happens when using a pure and n ...
Inconsistencies in SMInstance Proxy Object Creation
UE - Editor - Workflow Systems - May 30, 2023Sometimes when adding instances to Instanced Static Mesh component, you can click on individual instances in the editor and get special detail view - simple transform with the instance index number ...
Split Struct pins cause errors when a project is converted to 4.17
UE - Gameplay - Aug 11, 2017Split Struct pins cause errors when a project is converted to 4.17. You are still unable to split struct pins even if a new variable is created for the struct. Only adding a new variable to the st ...
Internal Compiler Error: Tried to create a property Crash in scope Beta_C, but another object (ObjectProperty /Game/Alpha.Alpha_C:Crash) already exists there.
UE - Gameplay - Blueprint - Oct 31, 2019After fixing the crash from [Link Removed] when compiling the child blueprint that has claimed the component name the parent was previously using without having compiled the parent, an internal comp ...
Mutable constant texture variable with ClipUV mask only works with new experimental dynamic variable is connected as well
UE - Anim - Mutable - Sep 22, 2025We are attempting to use Mutable in 5.6.1 and have encountered an issue which we are not sure how to resolve. The issue occurs when using the ClipWithUVMask node. In short we have a customizable o ...
Editor crashes when importing 4.5.1 project to 4.6
UE - Gameplay - Blueprint - Dec 9, 2014The user converted a copy of their 4.5.1 project to 4.6. Upon opening that project, the editor crashes. Deleting certain widgets allows the user to open the project, but opening any map results in a ...