Crash adding component to landscape

Assertion failed: LayerInfo [File:D:\Main\Engine\Source\Runtime\Landscape\Private\LandscapeEditInterface.cpp] [Line: 1708] 

KERNELBASE.dll!0x00000000FD33A06D
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() [d:\main\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:120]
UE4Editor-Core.dll!FOutputDevice::Logf__VA() [d:\main\engine\source\runtime\core\private\misc\outputdevice.cpp:70]
UE4Editor-Core.dll!FDebug::AssertFailed() [d:\main\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]
UE4Editor-Landscape.dll!ULandscapeComponent::FillLayer() [d:\main\engine\source\runtime\landscape\private\landscapeeditinterface.cpp:1712]
UE4Editor-LandscapeEditor.dll!FLandscapeToolStrokeAddComponent::Apply() [d:\main\engine\source\editor\landscapeeditor\private\landscapeedmodecomponenttools.cpp:977]
UE4Editor-LandscapeEditor.dll!FLandscapeToolBase<FLandscapeToolStrokeAddComponent>::BeginTool() [d:\main\engine\source\editor\landscapeeditor\private\landscapeedmodetools.h:1341]
UE4Editor-LandscapeEditor.dll!FEdModeLandscape::InputKey() [d:\main\engine\source\editor\landscapeeditor\private\landscapeedmode.cpp:1446]
UE4Editor-UnrealEd.dll!FEditorModeTools::InputKey() [d:\main\engine\source\editor\unrealed\private\editormodemanager.cpp:712]
UE4Editor-UnrealEd.dll!FEditorViewportClient::InputKey() [d:\main\engine\source\editor\unrealed\private\editorviewportclient.cpp:2268]
UE4Editor-UnrealEd.dll!FLevelEditorViewportClient::InputKey() [d:\main\engine\source\editor\unrealed\private\leveleditorviewport.cpp:2506]
UE4Editor-Engine.dll!FSceneViewport::OnMouseButtonDown() [d:\main\engine\source\runtime\engine\private\slate\sceneviewport.cpp:453]
UE4Editor-Slate.dll!SViewport::OnMouseButtonDown() [d:\main\engine\source\runtime\slate\private\widgets\sviewport.cpp:187]
UE4Editor-Slate.dll!<lambda_7097b900f0e4be30d80fb18f98c51ea0>::operator()() [d:\main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4920]
UE4Editor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,<lambda_7097b900f0e4be30d80fb18f98c51ea0> >() [d:\main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:239]
UE4Editor-Slate.dll!FSlateApplication::RoutePointerDownEvent() [d:\main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4909]
UE4Editor-Slate.dll!FSlateApplication::ProcessMouseButtonDownEvent() [d:\main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4865]
UE4Editor-Slate.dll!FSlateApplication::OnMouseDown() [d:\main\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4789]
UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() [d:\main\engine\source\runtime\core\private\windows\windowsapplication.cpp:1706]
UE4Editor-Core.dll!FWindowsApplication::DeferMessage() [d:\main\engine\source\runtime\core\private\windows\windowsapplication.cpp:2120]
UE4Editor-Core.dll!FWindowsApplication::ProcessMessage() [d:\main\engine\source\runtime\core\private\windows\windowsapplication.cpp:867]
UE4Editor-Core.dll!FWindowsApplication::AppWndProc() [d:\main\engine\source\runtime\core\private\windows\windowsapplication.cpp:714]
USER32.dll!0x0000000077359BBD
USER32.dll!0x00000000773598C2
UE4Editor-Core.dll!FWindowsPlatformMisc::PumpMessages() [d:\main\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:980]
UE4Editor.exe!FEngineLoop::Tick() [d:\main\engine\source\runtime\launch\private\launchengineloop.cpp:3008]
UE4Editor.exe!GuardedMain() [d:\main\engine\source\runtime\launch\private\launch.cpp:166]
UE4Editor.exe!GuardedMainWrapper() [d:\main\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor.exe!WinMain() [d:\main\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor.exe!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32.dll!0x00000000772359CD
ntdll.dll!0x000000007746A561
ntdll.dll!0x000000007746A561