Unreal Engine Issues

[CrashReport] Tutorial crash UObject::execLetValueOnPersistentFrame()

This is another Tutorial crash that shares a similar callstack with [Link Removed] and [Link Removed], but those specific repro steps have been fixed while this one is still occurring in 4.16.2. On ...

Crash on Galaxy S7 devices with Mali GPU (SM-G930F / SM-G935F)

[CrashReporter] Crash in FClassExclusionData::IsExcluded() (infinite loop)

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Note: This appears to be a Commandlet crash. Erro ...

Reversed Animations don't play properly using Skeletal Mesh Pose and animations with Keep State in Sequencer

The bug seems to only reproduce when setting animations in sequencer and only if the animations are set to "Keep state". Setting them to "restore default" makes the reversed animation play correctly ...

Attached Project Crashes When Compiling Character Blueprint

The user's project is crashing during compilation of one of their character blueprints. We have not been able to reproduce this issue in a clean project, as the repro steps are unknown outside of t ...

Crash adding an AnimComposite to itself

Error message: Stack overflow - code c00000fd (first/second chance not available) Source Context: 74 void UAnimComposite::GetAnimationPose(FCompactPose& OutPose, FBlendedCurve& OutCurve, c ...

FTickTaskLevel::RescheduleForIntervalParallel Crash

Short description from Licensee (attached UDN has more info):When streaming a level in and/or out (out especially in World Partition due to the bRequireFullVisibilityToRender variable usage) there i ...

Niagara Simulation Stage + DynamicMaterialParameters crash

deleting the code "&& SimulationStages[i]->bEnabled" in UNiagaraEmitter::GetScripts will bypass the problem [Image Removed] ...

[CrashReport] UE4Editor_SlateCore!FReply::FReply() [reply.h:244]

This 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_Foliage!FFoliageInstanceBaseCache::AddInstanceBaseId() [foliageinstancebase.cpp:101]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: InstanceBaseMap.Num() == InstanceBaseInvMap.Num() [Link Remo ...