Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_AlembicLibrary!AbcImporterUtilities::GenerateSmoothingGroupsIndices()
UE - Gameplay - Aug 5, 2016This JIRA is being entered as a result of it being one of the top crashes occurring in 4.13 Preview 1. Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 833] ...
Editing and committing changes to a PackedLevelActor Blueprint results in a crash
UE - World Creation - Worldbuilding Tools - Level Instances - Apr 5, 2022Repro Ratio: 3/3 Regression was tested in //UE5/Release-5.0-EarlyAccess CL-16682836 since this is a new feature of UE5. The issue did happen ...
Nativizing a blueprint interface using TMap/TSet causes Fatal error in UHT
UE - Gameplay - Blueprint Compiler - Sep 9, 2020FPropertyBase constructor does not handle a TMap/TSet property. Following workaround can avoid this error. explicit FPropertyBase(FProperty* Property) : PropertyExportFlags(PROPEXPORT_Public) ...
Crash Occurs When Creating a Blueprint From a Nav Link Proxy
UE - Gameplay - Blueprint - Sep 27, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
Graphical Artifacts in Editor with Macs using Certain AMD Graphics Cards
UE - Graphics Features - Sep 17, 2015Users are reporting black and splotchy like graphical issues in their projects when working on a Mac and using an AMD graphics card. The user in the link provided mentions, "that UE 4.8.3 is withou ...
GAS: AbilitySystem.DebugAttribute crashes client when server added runtime constructed GEs
UE - Gameplay - Gameplay Ability System - Aug 8, 2023In a networked PIE session, when the server has applied a programmatically constructed GameplayEffect that has duration policy = Infinite or HasDuration, this results in a client crash when the clie ...
[CrashReport] UE4Editor_UnrealEd!UEditorEngine::TeardownPlaySession() [playlevel.cpp:595]
Tools - Aug 30, 2016This 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: EditorWorld == G ...
[CrashReport] UE4Editor_MaterialEditor!CastChecked<UMaterialGraphNode,UEdGraphNode>() [casts.h:192]
UE - Rendering Architecture - Materials - Aug 31, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:447]
UE - Foundation - Core - Nov 17, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: PackageFileTag.CompressedSize == PACKAGE_FILE_TAG_SWAPPED [L ...
Calling UBlueprintMapLibrary::GenericMap_Find with a non-existent key causes a memory leak
UE - Framework - Blueprint - Apr 15, 2025When Calling UBlueprintMapLibrary::GenericMap_Find with a non-existent key, the function construct the default structure in-place on the given pointer without destroying the object. This behavior ca ...