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

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?

Hello,

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Thanks

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