Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Renderer!FMaterialShader::VerifyExpressionAndShaderMaps() [shaderbaseclasses.cpp:148]
UE - Graphics Features - Jun 14, 2017This is a common crash occurring in the 4.16 release. It is spread out across many different CrashGroups with slight variations in Callstack. Additional information is not available at this time. ...
Crash: Direct3DDevice->CreateBuffer failed at D3D11VertexBuffer.cpp with error E_INVALIDARG
UE - Graphics Features - Jul 6, 2017This is a common crash affecting users since at least the 4.14 release. It was previously associated with [Link Removed], however that has been marked as fixed. Source Context 221 void Veri ...
[CrashReport] UE4Editor_VulkanRHI!VulkanRHI::VerifyVulkanResult() [vulkanutil.cpp:357]
UE - Graphics Features - Nov 10, 2017This is a low frequency crash that has occurred since at least 4.14 User DescriptionsStarted with vulkan.. crashed immediately.Activated vulkan, and moved around. Only that.I imported a 3d model in ...
[CrashReport] UE4Editor_Core!FMath::ComputeBaryCentric2D() [unrealmath.cpp:1951]
UE - Simulation - Physics - Character - Nov 2, 2017This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The error message and callstack closely matches to past ...
Users are unable to create projects when the default project location is a networked drive
UE - Editor - Workflow Systems - Oct 23, 2024There have been multiple reports of this issue, particularly from schools, over the last 10 years:https://forums.unrealengine.com/t/invaild-folder-path-with-network-user-drives/283475https://forums. ...
Creating a new C++ class derived from Instance Foliage Actor fails to link
UE - Foundation - Cpp Tools - Live Coding - Oct 5, 2022This is not a regression. Tested in //UE4/Release-4.27 CL 18319896 Creating a new C++ class derived from Instance Foliage Actor fails to compile. User reported this issue after they tried to includ ...
Unexpected Specular Highlights using Area Lights on Surfaces with strong Normals at Low Glancing Angles
UE - Graphics Features - Apr 17, 2017A licensee is reporting shimmering specular highlights on the surface of a mesh with an Area Light while using MSAA, FXAA, or no AA settings. This occurs in the Forward and Deferred Renderer. It wa ...
OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited
UE - Editor - Jun 28, 2023If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...
Blueprint NAND node should not be associative.
UE - Gameplay - Blueprint - Jan 6, 2016NAND is not an associative operation, so it should not use the markup that makes N+1 input nodes work by calling the underlying function N times. This was brought to light here: https://udn.unreale ...
Jumping after walking off a ledge does not allow for Max number of jumps
UE - Gameplay - Oct 18, 2016If the max number of jumps is 'n', jumping from the ground allows for 'n' jumps, but walking off a ledge and then jumping only allows for 'n-1' jumps. Ex: If Jump Max Count is set to 3 (triple jump ...