If I hotreload and click play without waiting several seconds after code says its complete I get a crash. It seems to work fine if I wait 10-15 seconds before clicking play. ALso not that this only seems to happen about once every 2-3 hot-reloads.
UE4Editor_Engine!UWorld::EncroachingBlockingGeometry() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\levelactor.cpp:987]
UE4Editor_Engine!AGameMode::ChoosePlayerStart_Implementation() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\gamemode.cpp:1464]
UE4Editor_Engine!AGameMode::execChoosePlayerStart() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\classes\gameframework\gamemode.h:67]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\class.cpp:4198]
UE4Editor_CoreUObject!UObject::ProcessEvent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1046]
UE4Editor_Engine!AActor::ProcessEvent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\actor.cpp:580]
UE4Editor_Engine!AGameMode::ChoosePlayerStart() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\intermediate\build\win64\ue4editor\inc\engine\engine.generated.1.cpp:4600]
UE4Editor_Engine!AGameMode::FindPlayerStart_Implementation() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\gamemode.cpp:388]
UE4Editor_Engine!AGameMode::execFindPlayerStart() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\classes\gameframework\gamemode.h:67]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\class.cpp:4198]
UE4Editor_CoreUObject!UObject::ProcessEvent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1046]
UE4Editor_Engine!AActor::ProcessEvent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\actor.cpp:580]
UE4Editor_Engine!AGameMode::FindPlayerStart() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\intermediate\build\win64\ue4editor\inc\engine\engine.generated.1.cpp:4608]
UE4Editor_Engine!AGameMode::InitNewPlayer() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\gamemode.cpp:1025]
UE4Editor_Engine!AGameMode::Login() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\gamemode.cpp:1066]
UE4Editor_Engine!UWorld::SpawnPlayActor() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\levelactor.cpp:665]
UE4Editor_Engine!ULocalPlayer::SpawnPlayActor() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\localplayer.cpp:219]
UE4Editor_Engine!UGameInstance::StartPIEGameInstance() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\gameinstance.cpp:254]
UE4Editor_UnrealEd!UEditorEngine::CreatePIEGameInstance() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\playlevel.cpp:3012]
UE4Editor_UnrealEd!UEditorEngine::PlayInEditor() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\playlevel.cpp:2259]
UE4Editor_UnrealEd!UEditorEngine::StartQueuedPlayMapRequest() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\playlevel.cpp:1048]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\editorengine.cpp:1244]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\unrealedengine.cpp:361]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2427]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll