Unreal Engine Issues
Unreal Engine Issues
BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.
UE - Framework - Blueprint - Apr 11, 2024When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...
Orphaned BP actors when using UWorldPartitionBuilder
UE - World Creation - Worldbuilding Tools - World Partition - Nov 21, 2025From an EPS case: --------------------------------- We're seeing a recurring issue where child BP actors are becoming orphaned during any processing that uses UWorldPartitionBuilder. It affects ...
[CrashReport] UE4Editor_Engine!USimpleConstructionScript::RemoveNodeAndPromoteChildren() [simpleconstructionscript.cpp:785]
UE - Gameplay - Blueprint - Jul 5, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context: 770 AllNodes.Remove(Node); 771 772 Node->bIsParen ...
[CrashReporter] Crash in FAnimNode_StateMachine::Evaluate()
OLD - Anim - Aug 22, 2016This JIRA was created as a result of it being one of the top crashes occurring in 4.13 Preview 2 Error message: Access violation - code c0000005 (first/second chance not available) Source Context ...
UnrealFrontend doesn't package client and adds both -noclient & -client argument when both server and client is selected to be packaged in same profile
UE - Platform - Apr 15, 2022Repro Ratio: 4/4 Regression tested in //UE5/Release-4.27.2 CL-18416816 and this issue DID NOT happen. When looking at the log output of the Project Launcher, the command that is ran is:-ScriptsFor ...
[CrashReport] Assertion failed: GIsHotReload inside UObjectBaseUtility::GetOutermost()
UE - Foundation - Core - Jun 14, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: GIsHotReload [Link Removed] [Line: 564] Source Context: 103 ...
[CrashReport] UE4Editor_OculusRift!FHeadMountedDisplay::GetCurrentHMDPose()
UE - Platform - XR - Jun 28, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: IsInGameThread() [Link Removed] [Line: 1047] Source Context ...
[CrashReport] UE4Editor_Engine!UWorld::SetActiveLevelCollection() [world.cpp:6248]
UE - Gameplay - Sep 14, 2017This is a common crash that has been affecting users since 4.16. It may be unrelated, but a non-crash bug mentioned the same stack in [Link Removed] User DescriptionsI was creating a level and dra ...
[CrashReport] UE4Editor_CoreUObject!UObjectBaseUtility::GetOutermost() [uobjectbaseutility.cpp:118]
UE - LD & Modeling - Terrain - Landscape - Jun 6, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...
[CrashReport] UE4Editor_Engine!TArray<FVertexFactoryTypeDependency,FDefaultAllocator>::ResizeTo() [array.h:2372]
UE - Graphics Features - Jul 5, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context:2357 FORCENOINLINE void ResizeShrink() 2358 { 2359 co ...