Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Crash When Undoing Changes in Widget Blueprints
Tools - Oct 13, 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_Engine!FTexturePlatformData::GetNumNonStreamingMips() [texturederiveddata.cpp:1260]
UE - Graphics Features - Apr 10, 2017Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Mips.Num() > 0 [Link Remov ...
[CrashReport] UE4Editor_AudioEditor!`FSoundSubmixGraphSchemaAction_NewNode::StaticGetTypeId'::`2'::$TSS0()
UE - Anim - Sequencer - Apr 10, 2017Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 79 auto RenderCommand = [=](FRHICommandListImmediate& RHICmdList){ 80 81 ...
When using Set Master Pose Component, crash occurs when target has cloth
OLD - Anim - May 18, 2017Description: Appears directly related to using Set Master Pose Component when the target component has cloth Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Lin ...
[CrashReport] UE4Editor_Core!FModuleManager::LoadModuleChecked() [modulemanager.cpp:350]
UE - Foundation - Core - Aug 10, 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: Module [Link Rem ...
Surface snapping attached actors cause unexpected behavior
Tools - May 17, 2019Surface snapping causes erratic changes in scale to StaticMeshActors that have children of the same type. The user also has provided a potential solution to this bug (Please see the code below. N ...
Property "GameFeatureData.PrimaryAssetTypesToScan.Directories" should be tagged with "ForceShowPluginContent"
UE - Foundation - Oct 11, 2025When using a Game Feature Plugin, one of the settings available in the "GameFeatureData" DataAsset (class UGameFeatureData) is "PrimaryAssetTypesToScan", which is an array of FPrimaryAssetTypeInfo s ...
A build may fail in Visual Studio if a space is added after the # in an include pre-processor instruction to allow a struct in one header file to reference a struct in the other
UE - Foundation - Core - Sep 23, 2016A project building in Visual Studio will sometimes fail with the error Unrecognized type 'FBar' - type must be a UCLASS, USTRUCT or UENUM. This can occur in situations where one struct was reference ...
Hot Reload crash on PIE with custom AIController and Perception Component
UE - AI - Sep 29, 2015If a pawn in the level is using a custom AI Controller that sets the AIPerceptionComponent in code, the editor will crash on PIE after a hot reload. CrashReporter: [Link Removed] ...
StartCameraFade() breaks on mobile projects after editor is closed/reopened
UE - Platform - Mobile - Oct 6, 2015If a project that is set to Mobile/Tablet and Scalable 3D or 2D uses StartCameraFade() to produce a fade in effect, the effect will not play in PIE if the editor is closed/reopened. ...