[BUG 4.13preview1]Landscape critical issue

If the map has a landscape,when packaging for ios,it will always fail with these errors:

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000002

UE4Editor-Landscape.dll!ULandscapeComponent::GeneratePlatformVertexData() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\landscape\private\landscapeedit.cpp:5077]
UE4Editor-Landscape.dll!ULandscapeComponent::CheckGenerateLandscapePlatformData() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\landscape\private\landscape.cpp:193]
UE4Editor-Landscape.dll!ULandscapeComponent::Serialize() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\landscape\private\landscape.cpp:218]
UE4Editor-CoreUObject.dll!FArchiveSaveTagExports::ProcessTaggedObjects() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\savepackage.cpp:830]
UE4Editor-CoreUObject.dll!FPackageExportTagger::TagPackageExports() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\savepackage.cpp:2981]
UE4Editor-CoreUObject.dll!UPackage::Save() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\savepackage.cpp:3561]
UE4Editor-UnrealEd.dll!UEditorEngine::Save() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:3949]
UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::SaveCookedPackage() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:2825]
UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::TickCookOnTheSide() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:2039]
UE4Editor-UnrealEd.dll!UCookCommandlet::NewCook() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\commandlets\cookcommandlet.cpp:1547]
UE4Editor-UnrealEd.dll!UCookCommandlet::Main() [d:\build\++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\commandlets\cookcommandlet.cpp:844]
UE4Editor-Cmd.exe!FEngineLoop::PreInit() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:1828]
UE4Editor-Cmd.exe!GuardedMain() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launch.cpp:117]
UE4Editor-Cmd.exe!GuardedMainWrapper() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor-Cmd.exe!WinMain() [d:\build\++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor-Cmd.exe!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
KERNEL32.DLL
ntdll.dll
ntdll.dll

To reproduce this BUG,simply create an empty project and add a landscape to the world,Then,just package for ios with metal enabled.And then,the process will fail at last.
Thanks!

Hi ,

Thank you for submitting a bug report. I have reproduced this issue and logged a report for it here. You can track the report’s status as the issue is reviewed by our development staff.

I have found that this issue has been fixed in preview3.Thanks a lot!However,I have encountered another issue related to this one,please take a look at this:

Hi ,

EDIT: Thank you for the update. I have had the post assigned to myself and will assist you further on that thread.