Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor-Engine!FMeshBatch::PreparePrimitiveUniformBuffer(FPrimitiveSceneProxy const *,ERHIFeatureLevel::Type) [SceneManagement.cpp:1099]
UE - Graphics Features - Dec 11, 2019Generated from CrashReporter ...
ComponentInstancingData lacks support for FMapProperty
UE - Gameplay - Blueprint - Sep 1, 2020Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...
[CrashReport] UE4Editor_Engine!UAnimSequence::ExtractBoneTransform() [animsequence.cpp:887]
OLD - Anim - Jan 11, 2018No comments from user A couple additional crash groups: [Link Removed] [Link Removed] ...
A Blueprint containing a Macro with a Wild Card input crashes when a Custom Event node has an additional input added
UE - Gameplay - Blueprint - Aug 16, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 In UE4 an error is thrown when attempting to add an input. A Blueprint containing a Macro with a Wild Card input crashes when a Custom ...
[CrashReport] UE4Editor-Core.dylib!<Unknown>
OLD - Anim - Dec 31, 2015[Link Removed] ...
Mutable references MetaHumans heads directly, but DNA Assets are private
UE - Anim - Mutable - Sep 18, 2025When we switched our project to 5.6.1 This error appeared on build. The compilation of the Mutable assets in the editor is not reporting any issue. ...
Attempting to record a demo in PIE causes a crash
When you try to use the console command "demorec" to record a demo in PIE, a crash occurs. Note: This did not occur in 4.8.3 but another crash happened when trying to run the "demoplay" console com ...
MRQ rendering crashes when there is an empty audio track
UE - Virtual Production - Tools - MRQ - Aug 25, 2025Crash editing Transition Logic after deleting State and Transition in State Machine
UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...
Editor crash after reverting a Blueprint asset in source control
UE - Framework - Blueprint Compiler - Feb 26, 2025Added context from dev support ticket:The crash occurs because FDelegateProperty::Serialize accesses a dangling SignatureFunction pointer. Given that its derefencing dangling pointers the specifi ...