Linux: Assertion at splash screen when trying to open UE4Editor

UE - Platform - Linux - Mar 21, 2017

I ran into this while looking to verify [Link Removed] at CL 3355923. I logged the issue I was verifying the fix for last night and have not updated anything locally, so the "OpenGL 4.3 not supporte ...

BP using nested child actor components in streaming level causes ensure condition failed

UE - Simulation - Physics - Solver - Jul 11, 2022

This never happens on ue5.0.0 The problem appears to be caused by a deleted PhysicsProxy being registered with Solver. Since the solver accesses the deleted PhysicsProxy, it may crash. Checking a ...

Editor crashes on compile with no warning when trying to access information from a "Slot as Canvas Slot" node on tick that has not been set yet by begin play

UE - Editor - UI Systems - Jul 1, 2015

If a user creates a widget variable that is set on begin play and then tries to get information from that widget via the "Slot as Canvas Slot" node on tick the editor will crash. This appears to hap ...

Crash on applying animation modifier for some assets

OLD - Anim - Oct 29, 2019

When removing curves on some assets, a crash can occur. This seems to be due to const FSmartNameMapping* CurveMapping being null and dereferenced within UAnimationBlueprintLibrary::RetrieveContainer ...

Get VR Focus State will cause a crash in standalone if an HMD device is in use

UE - Platform - XR - Jul 27, 2016

Get VR Focus State will cause a crash in standalone if an HMD device is in use ...

Opening widget blueprint causes editor to crash

UE - Editor - UI Systems - Oct 17, 2014

Branch Build Label UE4-Main Promoted-CL- 2323471 DESCRIPTION: User crashes when opening a Widget blueprint.  Unable to reproduce internally. *EDIT* Repro provided by User ...

Editor crashes while sculpting landscape heavily covered in foliage

UE - LD & Modeling - Terrain - Landscape - Mar 30, 2016

Sculpting a landscape densely covered in foliage crashes editor after freezing. Frequency: 2/2 crashreporter: N/A Additional CrashReporter - [Link Removed] ...

Adding Angular Impulse on Begin Play causes a Crash

UE - Simulation - Physics - Jun 29, 2016

Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...

Access Violation in delegatesignatureimpl.inl after HotReload

UE - Foundation - Core - Jan 27, 2017

This is the third different callstack in an attempt to repro a HotReload crash I am experiencing. The other two are:[Link Removed]: Nullptr Ensure and crash after HotReloading[Link Removed]: Assert ...

Particle memory can be corrupted leading to a crash

UE - Foundation - Core - Jan 7, 2019