Unreal Engine Issues
Unreal Engine Issues
Component inheritance does not appear to be consistent when running a project with the -game command line argument
UE - Gameplay - Blueprint - Jan 19, 2018Component property inheritance sometimes does not behave as expected when opening a project with the -game command line argument. Attempting to load a child Blueprint through code may not correctly ...
Internal Compile error received from rearranging Format Text nodes
UE - Gameplay - Blueprint - Dec 18, 2014Internal Compile error received from rearranging Format Text nodes Output Log of Error: LogBlueprint:Error: [compiler] Error Internal compiler error inside CreateExecutionSchedule (site 2); please ...
Granular Synth crashes project when played in standalone or packaged with assertion failure
UE - Audio - Jan 5, 2021Assertion failed: SoundWave->GetPrecacheState() == ESoundWavePrecacheState::InProgress The above assertion fail was seen when played in standalone mode. Play-In-Editor mode (PIE) is working as exp ...
BP nativization emits incorrect C++ code for noexport-typed struct field access in some cases.
UE - Gameplay - Blueprint - Dec 18, 2019In BlueprintCompilerCppBackendUtils.cpp: #define MAP_BASE_STRUCTURE_ACCESS(x) \ BaseStructureAccessorsMap.Add(x, TEXT("#x")) Needs to be changed to: #define MAP_BASE_STRUCTURE_ACCESS(x) \ ...
Suspend/resume iOS Metal Crash on low end device with MTLCommandBufferErrorMemoryless error with lots of geometry
UE - Platform - Mobile - May 11, 2023The project was built in Unreal 4.27.2 binary from the Epic Games Launcher. At this stage we have only observed the crash on devices with a hardware combination of Apple A9 1.8 GHz and 2GB of Memory ...
Cannot build project for the Development configuration after adding a new UFactory code class
Tools - Apr 13, 2018Adding a new custom UFactory code class to a project results in no longer being able to build the project for the Development configuration. Prior to adding the UFactory code class the project can b ...
Adding a code class derived from AnimInstance to a project created using the code Vehicle template will cause the Visual Studio build to fail.
UE - Gameplay - Dec 1, 2014Adding a new code class derived from AnimInstance will cause the Visual Studio build to fail in a project based on the code Vehicle template. The build errors indicate that there are problems in the ...
[CrashReport] Crash on Mac - UE4Editor-Slate.dylib!FTextLayout::GetAsTextAndOffsets()
UE - Platform - Apple - Jul 17, 2017This is a common crash occurring for Mac users on the 4.17 Preview, and a few cases in 4.16. I have been unable to find any matching reports of this crash on Windows. There is a slight variation in ...
BP - Exclusive nativization will fail at cook time if an Actor BP class enabled for nativization includes a Component BP that's not enabled for nativization in its component list.
UE - Gameplay - Blueprint - Apr 26, 2017This happens because the Blueprinted component is not also enabled for nativization, but the nativized Actor BP tries to use it as a native class type. Current workaround: Ensure that the Blueprint ...
Adding specific map to project crashes editor
UE - Gameplay - Dec 23, 2015Adding map from user's project, CityofEther.umap, crashes editor upon launch or attempting to open the map. Crashreporter: [Link Removed] ...