also I have a crash with demo if I Play ExampleMap01 it in Standalone, though in editor view it works.
Assertion failed: ModuleManager.IsModuleLoaded(ModuleName) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.8\Engine\Source\Runtime\Core\Public\Modules\ModuleManager.h] [Line: 235]
Tried to get module interface for unloaded module: ‘LevelEditor’
KERNELBASE.dll {0x000007fefd3fb3dd} + 0 bytes
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() {0x000007fede9b7c0f} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FOutputDevice::Logf__VA() {0x000007fede8710b8} + 159 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FDebug::AssertFailed() {0x000007fede841e72} + 65 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-UnrealEd.dll!FModuleManager::GetModuleChecked<FLevelEditorModule>() {0x000007fed2e9fbbe} + 222 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-UnrealEd.dll!UEditorEngine::GetActiveViewport() {0x000007fed31d3e70} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-OceanPlugin.dll {0x000007fec8ceb503} + 0 bytes
UE4Editor-Engine.dll!UActorComponent::ConditionalTickComponent() {0x000007fed67350bf} + 22 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FActorComponentTickFunction::ExecuteTick() {0x000007fed673e5a2} + 19 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTickTaskSequencer::FTickFunctionTask::DoTask() {0x000007fed6419535} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!TGraphTask<FTickTaskSequencer::FTickFunctionTask>::ExecuteTask() {0x000007fed642b20f} + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FTaskThread::ProcessTasks() {0x000007fede6f651e} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FTaskThread::ProcessTasksUntilQuit() {0x000007fede6f674d} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FTaskGraphImplementation::WaitUntilTasksComplete() {0x000007fede71bc02} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTaskGraphInterface::WaitUntilTaskCompletes() {0x000007fed648bc80} + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTickTaskSequencer::ReleaseTickGroup() {0x000007fed646d2ac} + 180 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!FTickTaskManager::RunTickGroup() {0x000007fed647a1a9} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UWorld::RunTickGroup() {0x000007fed60b0f24} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UWorld::Tick() {0x000007fed60b7bfb} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UGameEngine::Tick() {0x000007fed5e58d6d} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!FEngineLoop::Tick() {0x000000013f4242d1} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!GuardedMain() {0x000000013f4149cc} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!GuardedMainWrapper() {0x000000013f414a4a} + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!WinMain() {0x000000013f4265c9} + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!__tmainCRTStartup() {0x000000013f4275d9} + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
kernel32.dll {0x00000000771559cd} + 0 bytes
ntdll.dll {0x000000007738b981} + 0 bytes
ntdll.dll {0x000000007738b981} + 0 bytes