[CrashReport] UE4Editor_Landscape!ALandscapeProxy::UpdateGrass() [landscapegrass.cpp:1946]

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

UE4Editor_Landscape!ALandscapeProxy::UpdateGrass() [landscapegrass.cpp:1946]
UE4Editor_Landscape!ALandscapeProxy::TickGrass() [landscapegrass.cpp:1264]
UE4Editor_Landscape!ALandscapeProxy::TickActor() [landscape.cpp:2321]
UE4Editor_Engine!FActorTickFunction::ExecuteTick() [actor.cpp:132]
UE4Editor_Engine!FTickFunctionTask::DoTask() [ticktaskmanager.cpp:273]
UE4Editor_Engine!TGraphTask<FTickFunctionTask>::ExecuteTask() [taskgraphinterfaces.h:784]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [taskgraph.cpp:651]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [taskgraph.cpp:560]
UE4Editor_Core!FTaskGraphImplementation::WaitUntilTasksComplete() [taskgraph.cpp:1330]
UE4Editor_Engine!FTickTaskSequencer::ReleaseTickGroup() [ticktaskmanager.cpp:542]
UE4Editor_Engine!FTickTaskManager::RunTickGroup() [ticktaskmanager.cpp:1454]
UE4Editor_Engine!UWorld::RunTickGroup() [leveltick.cpp:760]
UE4Editor_Engine!UWorld::Tick() [leveltick.cpp:1408]
UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:1459]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:396]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3296]
UE4Editor!GuardedMain() [launch.cpp:166]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134]
UE4Editor!WinMain() [launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:253]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()