[CrashReport] UE4Editor-CoreUObject!UStruct::SerializeVersionedTaggedProperties(FStructuredArchiveSlot,unsigned char *,UStruct *,unsigned char *,UObject const *) [Class.cpp:1478]

UE - Gameplay - Blueprint - May 22, 2020

User comment: "Crash at compile array blueprint" Error MessageAssertion failed: Tag.Size == Loaded [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/CoreUObject/Private/UObject/Class.cpp] [L ...

Adding material to tiled landscape via details pane causes editor to crash

UE - LD & Modeling - Terrain - Landscape - Jun 22, 2015

If a material is added to a tiled landscape via the details pane, the editor crashes. Frequency: 3/3 CrashReporter: [Link Removed] ...

OnActive Gameplay Cues not activating properly in standalone

UE - Gameplay - Nov 28, 2016

This was reported from https://udn.unrealengine.com/questions/323255/bugfix-onactive-not-triggering-for-gameplaycues-on.html In some case it looks like OnActive gameplay cues are not working proper ...

Launch On from Windows to Linux fails with missing GLSL_430 shaders

UE - Platform - Linux - Nov 16, 2016

GLSL_430 shaders are not cooked when deploying a project from Windows to Linux using Launch On. LogPlayLevel: PLINK: [2016.11.16-18.36.22:414][ 0]LogMaterial:Error: The global shader cache fi ...

Physics Constraints have unexpected behavior when used on nested static mesh components

UE - Simulation - Physics - Jul 5, 2017

Physics Constraints have unexpected behavior when used on nested static mesh components. Simulating inside of the blueprint has a similar effect to what is expected but when the BP is added to the l ...

Level cannot save when compile setting is changed on blueprint present in level

UE - Gameplay - Blueprint - Aug 21, 2017

When using a project that has a blueprint in a level when the project is created, there is an issue that is occurring when you modify the compile settings and attempt to save the level There is an e ...

RVT output from Landscape Height gets incorrect mip cache loaded

UE - Graphics Features - Oct 13, 2021

I test it for more information for your reference:It happens only when a Landscape *Height *was output to the RVT, other Landscape's maps like BaseColor are all fine, as well as Height output from o ...

Light as If Static setting does not Persist when Re-opening Project

Tools - Apr 28, 2016

This bug was originally entered back in 4.8 as [Link Removed], but was closed as by design. The reason was, the mesh did not have Lightmap UVs, so using the 'Light as If Static' option would not wor ...

Mouse cursor position is locked to center of screen when bShowMouseCursor is false

Tools - Nov 16, 2016

When you set bShowMouseCursor to false in a Standalone or packaged game while Default Viewport Mouse Lock Mode is set to either Always Lock or Lock on Capture, the cursor will become locked in place ...

[CrashReport] UE4Editor_Core!FFileHandleWindows::Seek() [windowsplatformfile.cpp:501]

UE - Foundation - Core - Aug 29, 2017

This is common crash coming out of the 4.17 and 4.18 releases. The callstack is similar to an old unresolved import crash: [Link Removed] User Descriptionsrebuilding lightbuilding lighting from a d ...