Unreal Engine Issues
Unreal Engine Issues
Crash occurs if the Recast Navmesh is set to Dynamic and the BehaviorTree runs a 'Does Path Exist' decorator
UE - AI - Jun 16, 2015Crash occurs if the Recast Navmesh is set to Dynamic and the BehaviorTree runs a 'Does Path Exist' decorator. Crashreporter info: [Link Removed] ...
[CrashReport] Assertion failed: Canary == ShaderMagic_Initialized
UE - Graphics Features - Jun 13, 2017This is a common crash among the community since at least the 4.14 release. Additional information is not currently available. This is spread among numerous different CrashGroups between releases w ...
Clothing Pops on start and LOD switching
UE - Simulation - Physics - Character - Sep 6, 2018Clothing can have noticeable popping when switching LODs, and there is currently no mechanism to initially start cloth in a resting pose, causing popping on spawn. ...
Triggering a HotReload Compile when Start up is Manual can result in an Editor crash: Assertion failed: GIsHotReload, Trying to recreate class outside of hot reload!
UE - Foundation - Cpp Tools - Hot Reload - Jun 30, 2019Torrigered when hotreload is performed in a case where code referencing to dll. Crash when restarting from VisualStudio. It didn’t see in 4.21. Workaround: Delete the Intermediate folder and e ...
Loading a blueprint with an invalid gameplay tag container pin causes ensure and data loss
UE - Gameplay - Feb 23, 2021The gameplay tag system depends on tags being registered with the global manager as valid in order to correctly read them off disk. Two different issues are combining to cause a confusing ensure and ...
Crash when trying to copy-paste nodes in a module graph
UE - Niagara - Jun 1, 2022The nodes I tried to copy are in the screenshot. Hit an ensure before the crash: Ensure condition failed: ScriptVariable != nullptr [NiagaraScriptGraphViewModel.cpp][Line: 294] Script variable sh ...
UPrimitiveComponent mouse events when underneath Slate widgets not correct
UE - Editor - UI Systems - Slate - Jan 7, 2016Licensee is adding a widget to the viewport overlay via AddViewportWidgetContent(). The widget receives mouse input when hovered. They return unhandled from all their widget's onmouse functions and ...
Crash occurs selecting play in Vulkan Mobile Preview without sdk installed
UE - Graphics Features - Oct 18, 2016Was attempting to repro [Link Removed] in //UE4/Main when I hit the following crash ...
TMap Contains Node Returns False Incorrectly Under Specific Circumstances
Tools - Nov 20, 2019The Contains node doesn't return an existing row from a data table under specific circumstances. This didn't occur when the struct the data table is based on was made via blueprints or there are mor ...
Switching a code project created in a source-built Engine to use the binary Engine results in files being deleted from the binary Engine installation
Tools - Nov 18, 2016If a code project is created in an Engine built from source code, and then it is switched to use a binary Engine installed by the Launcher, building the project in Visual Studio will result in numer ...