Unreal Engine Issues

[CrashReport] Crash on Linux - FShaderCompilingManager::LaunchWorker()

This is a common crash affecting users on Linux. No additional information is available. ...

Crash in FNetGUIDCache::GetObjectFromNetGUID()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Package->IsFullyLoaded() [Link Removed] [Line: 2296] Source ...

UE4Editor is crashing after user builds lighting

Issue reported by user that they are experiencing consistent crashes in UE4Editor have building lighting. ...

Crash undoing "replace actor with" when replaced object constructs child actors

The problem seems to be that the construction scripts doubled up all the BlueprintCreatedComponents, so there are now 2 scene components(actually the same one duplicated) and now 2 child actor compo ...

[CrashReport] Linux crash - FVulkanSwapChain::AcquireImageIndex

This is an uncommon Linux crash that has occurred for a few users in 4.17 and 4.18 (not yet released) ...

[CrashReport] Linux crash - llvm::TargetLowering::LowerCallTo()

This is a common Linux crash in 4.16.2. ...

Crash - console command stat none

InstanceData->SetInstance crash when transforming InstancedStaticMesh

When updating InstanceStaticMesh transform from C++ or BP, UpdateInstanceTransform then FStaticMeshInstanceBuffer::UpdateInstanceData gets called. Sometimes InstanceData->SetInstance in FStaticMeshI ...

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...

Crash when using "Convert to Variable Curve"

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 7 8 DECLARE_CYCLE_STAT(TEXT("AnimSeq EvalCurveData"), STAT_AnimSeq_EvalCurv ...