Unreal Engine Issues
Unreal Engine Issues
AttachRootComponentToActor being used over a network can cause an Ensure (previously an Assertion) to be triggered.
UE - Gameplay - Jan 11, 2016This is a continuation of [Link Removed]. The previous ticket changed an Assertion to an Ensure in order to stop a crash from occurring, and stated that a more complete fix would be coming in 4.10. ...
Performing a Hot Reload after changing a custom component code class can make the component unusable in Blueprints, or crash the Editor.
UE - Gameplay - Blueprint - Feb 19, 2015Performing a Hot Reload after altering a custom component code class can make the component unusable in Blueprints, and even crash the Editor. WORKAROUND: Close and re-open the Editor. ...
Package fails for android if company name begins with a number
UE - Platform - Mobile - Apr 26, 2017If the company name has a number at the beginning of it when packaging for android it returns a series of errors and does not allow the project to be built. The error that is being shown in the outp ...
[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602]
UE - Gameplay - Blueprint - Jan 17, 2017This 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: GEditor->GetSele ...
OpenGL: Nvidia: Crash when using foliage tool
UE - Platform - Linux - May 7, 2015As reported by user, using foliage tool in a first person project eventually crashes it. "Currently, any attempt to render objects created with the foliage tool crashes the UE4 editor on my machine ...
When PCH is Disabled, Error Occurs in VulkanGenericPlatform.h at Android Build
UE - Graphics Features - Dec 6, 2018If disable PCH in Target.cs, an error will occur when building for Android. The log is as follows. LogPlayLevel: Error: D:/Build/Release-4_21_0/Engine/Source/Runtime/VulkanRHI/Private/Android/../Vu ...
When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted
UE - Gameplay - Gameplay Cameras - Feb 27, 2025When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted. The licensee re ...
Bone names of ~100 characters or longer crash the editor when baking to control rig
UE - Anim - Rigging - Control Rig - May 15, 2025This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...
ContentExamples crashes on Mac Metal when pressing the button for Example 2.3 in UMG.umap
UE - Graphics Features - Jan 19, 2017When pressing the button for example 2.3 in the UMG map of content examples (Spawns a 3D UMG Widget), the editor crashes. ...
Linux crash on Import
UE - Platform - Linux - Jun 2, 2016Attempting to import content into a project causes the editor to crash on Linux ...