SIGSEGV: invalid attempt to access memory at address 0x3

UE - Platform - Apple - Jan 30, 2015

Crash Report: [Link Removed] ...

Changing a Media Player asset from Stream Mode: FromURL to From Memory crashes the editor

Tools - Dec 30, 2014

Changing a Media Player asset from Stream Mode: FromURL to From Memory crashes the editor. In 4.8, the editor crashes immediately upon changing that value, with no crash report. In 4.6 and 4.7 Pre ...

Actor blueprint 'bOptimizeBPComponentData' breaks subobject instantiation for runtime spawned actors in cooked builds

UE - Framework - Blueprint Runtime - Aug 29, 2024

A user has reported that when an actor blueprint enables Generate Optimized Component Blueprint Data, default instanced objects of components are not properly duplicated in cooked builds. This resul ...

[CrashReport] Assertion on Mac in FCocoaRunLoopSource

UE - Platform - Apple - Jun 14, 2017

This is a common crash among Mac users in 4.16. It is spread out among many separate CrashGroups, with slight variations in Callstack. Some Example CrashGroups [Link Removed] [Link Removed] [Link ...

[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 ...

[CrashReport] Assertion failed on Linux: SharedContext.hGLContext in OpenGLLinux.cpp

UE - Platform - Linux - Jun 16, 2017

This is a top community crash occurring on Linux. The two linked CrashGroups have nearly identical callstacks. A log file is attached. Additional information is currently unavailable. Callstack f ...

MRQ rendering crashes when there is an empty audio track

UE - Virtual Production - Tools - MRQ - Aug 25, 2025

[CrashReport] Linux crash - FScopeContext::FScopeContext()

UE - Platform - Linux - Oct 5, 2017

This is a somewhat common Linux crash occurring in 4.17.2. (there are a few older records in 4.16.2 and 4.17.1 also, but most occur in 4.17.2) Callstack from Log[2017.10.04-14.49.42:768][ 2]LogFi ...

[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 6, 2018

[CrashReport] UE4Editor-MetalRHI.dylib!TranslatePrimitiveType()

UE - Graphics Features - Nov 16, 2017

This is an infrequent but longstanding Mac crash that has occurred since at least UE 4.15. User DescriptionsTried to look at LOD Coloration Callstack from Log[2017.11.15-20.09.54:885][537]TextureS ...