Access violation. physx::Sc::ConstraintProjectionTree::projectionTreeBuildStep

Development World Creation
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1

Hi. There is a crash with next callstack:

Access violation - code c0000005 (first/second chance not available)

PhysX3PROFILE_x64!physx::Sc::ConstraintProjectionTree::projectionTreeBuildStep() [d:\build\++ue4+release-4.18+physx_compile\sync\engine\source\thirdparty\physx\physx_3.4\source\simulationcontroller\src\scconstraintprojectiontree.cpp:439]
PhysX3PROFILE_x64!physx::Sc::ConstraintProjectionTree::buildProjectionTrees() [d:\build\++ue4+release-4.18+physx_compile\sync\engine\source\thirdparty\physx\physx_3.4\source\simulationcontroller\src\scconstraintprojectiontree.cpp:329]
PhysX3PROFILE_x64!physx::Sc::ConstraintProjectionManager::processPendingUpdates() [d:\build\++ue4+release-4.18+physx_compile\sync\engine\source\thirdparty\physx\physx_3.4\source\simulationcontroller\src\scconstraintprojectionmanager.cpp:404]
PhysX3PROFILE_x64!physx::Sc::Scene::stepSetupCollide() [d:\build\++ue4+release-4.18+physx_compile\sync\engine\source\thirdparty\physx\physx_3.4\source\simulationcontroller\src\scscene.cpp:3727]
PhysX3PROFILE_x64!physx::Sc::Scene::simulate() [d:\build\++ue4+release-4.18+physx_compile\sync\engine\source\thirdparty\physx\physx_3.4\source\simulationcontroller\src\scscene.cpp:1450]
PhysX3PROFILE_x64!physx::Cm::Task::run() [d:\build\++ue4+release-4.18+physx_compile\sync\engine\source\thirdparty\physx\physx_3.4\source\common\src\cmtask.h:67]
MyProject!FPhysXTask<0>::DoTask() [w:\workspace\ue4_clone\engine\source\runtime\engine\private\physicsengine\physscene.cpp:337]
MyProject!TGraphTask >::ExecuteTask() [w:\workspace\ue4_clone\engine\source\runtime\core\public\async\taskgraphinterfaces.h:785]
MyProject!FTaskThreadAnyThread::ProcessTasks() [w:\workspace\ue4_clone\engine\source\runtime\core\private\async\taskgraph.cpp:910]
MyProject!FTaskThreadAnyThread::ProcessTasksUntilQuit() [w:\workspace\ue4_clone\engine\source\runtime\core\private\async\taskgraph.cpp:786]
MyProject!FTaskThreadBase::Run() [w:\workspace\ue4_clone\engine\source\runtime\core\private\async\taskgraph.cpp:502]
MyProject!FRunnableThreadWin::Run() [w:\workspace\ue4_clone\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:76]

Is this a known problem?

2

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks

3

What should I do if I can not reproduce it in a clean project?