Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Assertion failed: !PinRef->bWasTrashed | UEdGraphPin::SerializePin()
UE - Gameplay - Blueprint - Aug 29, 2017This is a common and longstanding crash that has occurred since at least 4.15 and affected nearly 500 users. The CrashGroup was previously linked to [Link Removed], but that had specific repro step ...
Crash after clearing the animation from a sample point in a 1D Blendspace
OLD - Anim - Mar 8, 2017Regression: YES, sort of. The ability to change the animation from a dropdown didn't exist in 4.14 Error message: Fatal error: [Link Removed] [Line: 160] Ran out of memory allocating 51539607528 ...
AreaNavModifiers generated by SplineNavModifierComponent have the component-to-world transform incorrectly applied twice
UE - AI - Navigation - Aug 15, 2025USplineNavModifierComponent was made available in UE 5.4. It generates several FAreaNavModifier instances covering a region with a certain thickness around a USplineComponent, and worked correctly u ...
Crash diffing an AnimBP with a node deleted from a State Machine Transition
UE - Gameplay - Blueprint - Mar 10, 2017Error message: Assertion failed: false [Link Removed] [Line: 1123] Looking for node K2Node_AnimGetter_327 but it cannot be found in provided panels Source Context: 1108 } 1109 111 ...
EDITOR: High Resolution Screenshot: Unable to capture high res shots in game or during cinematics
Tools - Sep 2, 2014BRANCH: //depot/UE4/Promotable-CL-2281016 CHANGELIST: 2281016 BUILD TYPE: P4 PLATFORM: Windows FREQUENCY: 3/3 DESCRIPTION: Unable to capture High Res shots in game or during cinematics REPRO STEPS: ...
[CrashReport] Mac crash - UE4Editor-SlateCore.dylib!FSlateApplicationBase::Get()
UE - Platform - Apple - Oct 5, 2017This is a slightly common Mac crash that has occurred since 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log[2017.10.05-15.00.31:683][3 ...
UE4Editor_SlateCore!TSharedFromThis<SWidget,0>::AsShared() sharedpointer.h:1221
Tools - Apr 18, 2017This bug report was entered as new crash groups appeared linking to [Link Removed] which was marked as fixed for 4.15.1 and the previous reproduction did not reproduce the issue Error message: Ass ...
Blueprint fails to compile when adding new member to struct that is an input parameter of implemented interface function
UE - Gameplay - Blueprint - Jun 3, 2016Adding variables to a structure that is an input parameter of an interface function causes a compile error in any blueprint that implements the interface until the interface is recompiled. Compile ...
Crash when manipulating Bone Space IK before setting EffectorSpaceBoneName
UE - Anim - Rigging - Feb 9, 2017Error message: Assertion failed: Pose.IsValidIndex(BoneIndex) [Link Removed] [Line: 528] Source Context: 513 const FTransform& ParentTransform = GetComponentSpaceTransform(ParentIndex); ...
[CrashReport] UE4Editor_Engine!FRepLayout::InitFromObjectClass() [replayout.cpp:2211]
UE - Gameplay - Blueprint - Apr 19, 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: Property->Proper ...