[CrashReport] Mac crash - FCocoaRunLoopSource::Process

UE - Platform - Apple - Sep 14, 2017

This is a somewhat common Mac crash that has occurred since at least 4.14 and into 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack contains l ...

Projects crash when launching onto Firefox 64-bit

UE - Platform - Mobile - May 8, 2017

QAGame crashes when it launched onto Firefox. The following exception occurs with the error message:*Expression (0) failed in D:\UE4_Dev-Rendering\Engine\Source\Runtime\Core\Private\Async\TaskGraph ...

[CrashReport] Assertion failure in UE4Game!FMetalComputeShader::FMetalComputeShader()

UE - Graphics Features - Jun 29, 2017

This is a common Mac crash in 4.16. Users have not provided descriptions, so additional information is not currently available. Callstack from LogLogMetal:Display: No .metalmap file found for SF_M ...

[CrashReport]Assertion failed: InitState == EWorldPartitionInitState::Uninitialized [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldPartition\WorldPartition.cpp] [Line: 1485]

UE - World Creation - Worldbuilding Tools - World Partition - Sep 12, 2023

Generated from CrashReporter Logs can be obtained via Crash Reporter ...

FLiveCodingModule::StartLiveCoding() unsafe access of FModuleManager::Get().OnModulesChanged()

UE - Foundation - Cpp Tools - Live Coding - Dec 19, 2023

A user has reported a failing ensure in FMRSWRecursiveAccessDetector::AcquireWriteAccess(), a race condition that has a small chance of happening when launching the editor. FLiveCodingModule::Start ...

[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

UE - Graphics Features - Lumen - Oct 2, 2017

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

[CrashReport] Mac Metal crash - FSceneRenderer::RenderDistortion()

UE - Graphics Features - Aug 29, 2017

This is a somewhat common Mac crash occurring since 4.15 and into 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. This specific callstack was previously ...

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

UE - Gameplay - Oct 10, 2016

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 ...

AdditionalPluginDirectories/RemappedPlugins doesn't work for packaged/zenstore build when plugin directory is relative and outside of project directory

UE - CoreTech - Mar 14, 2024

Originated from UDN post:https://udn.unrealengine.com/s/question/0D5QP000007QWuz0AG/additionalplugindirectories-outside-of-project-visual-studio-and-zenstore QUOTE: TLDR: Use of 'escape' paths in U ...

Crash opening Infiltrator packaged on Windows for Linux

UE - Platform - Linux - Jan 18, 2017

This occurred on packages that were created on different Windows machines. This crash is not occurring on other platforms during our Samples Pass. ...