Unreal Engine Issues
Unreal Engine Issues
Calling UBehaviorTreeComponent::StopTree from a BT node can result in a crash
UE - AI - Apr 30, 2015This is in general not encouraged, but should not crash. The reason it's crashing is that in UBehaviorTreeComponent::Tick we process node ticks first and then try to access InstanceStack[ActiveInst ...
UE4.11.1 Crashes After loading the Substance Plugin
UE - Foundation - Core - Apr 13, 2016Regression: UE4.11.1 Crashes After loading the Substance Plugin. This did not Occur in previous versions of the Engine. Reported on Macs and PCs Full Error Message: Fatal error: [Link Removed] [Lin ...
Crash compiling animation blueprint with Spline IK node
UE - Anim - Rigging - Dec 13, 2016Crash occurs when compiling an animation blueprint with a Spline IK node. This seems to occur only with the Start and End Bone settings set a certain (perhaps incorrect) way. In the example given, ...
Crash when using Landscape when building lighting with commandlet
UE - Graphics Features - Jun 6, 2016When using the new Rebuild Lighting commandlet will cause a crash with any level that builds when it has a landscape in the scene. https://github.com/EpicGames/UnrealEngine/commit/f89256dd0efb7d0b ...
Crash on draw material to rendertarget
UE - Graphics Features - May 5, 2017This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...
Having a period in the name of a widget will cause the editor to crash after copying and pasting (no error/warning given)
UE - Editor - UI Systems - Aug 3, 2015If a user has a period in the name of their widget and they then copy and paste that widget the editor will crash ...
Incorrect WorldType causes crash in ULandscapeSplinesComponent::CheckForErrors
UE - LD & Modeling - Terrain - Landscape - Jun 21, 2018When adding a sub-level that contains a Landscape and Landscape Splines to an existing Level, it will cause a crash when building the lighting. This issue was reported in 4.18.3 (CL 3832480) and t ...
Crash when pasting transform in Sequencer
UE - Anim - Sequencer - Aug 21, 2017The editor crashes when trying to copy and paste a key in sequencer if the mouse has been slightly moved. ...
Shader Compiler Crashes in Remote Build
UE - Graphics Features - Nov 11, 2019Output log when crashing UATHelper: Packaging (iOS): LogCook: Display: Max memory allowance for cook 16384mb min free memory 0mb UATHelper: Packaging (iOS): LogCook: Display: Mobile HDR setting 1 ...
Netprofile crashes networked games using Steam
UE - Networking - Jan 5, 2016Netprofile crashes networked games using Steam with the following assertion: Assertion failed: "Invalid interface for Steam P2P addresses" && 0 [Link Removed] [Line: 72] No Crash Report is submitt ...