Description

The editor crashes during PIE when using the DemoPlay feature.

Crash Report:
[Link Removed]

Steps to Reproduce

1. Launch: UE4Editor.exe
2. Open ShooterGame
3. PIE
4. Console: "demoplay test"

Result:
Crash. Note that using "demorec test" first does not prevent the crash.

Callstack

<unknown module>! KERNELBASE!RaiseException()
<unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize()
<unknown module>! UE4Editor_Core!FOutputDevice::Logf__VA()
<unknown module>! UE4Editor_Core!FDebug::AssertFailed()
<unknown module>! UE4Editor_Engine!UEngine::LoadMap()
<unknown module>! UE4Editor_Engine!UDemoNetDriver::InitConnect()
<unknown module>! UE4Editor_Engine!UWorld::HandleDemoPlayCommand()
<unknown module>! UE4Editor_Engine!UWorld::Exec()
<unknown module>! UE4Editor_UnrealEd!UEditorEngine::Exec()
<unknown module>! UE4Editor_UnrealEd!UUnrealEdEngine::Exec()
<unknown module>! UE4Editor_Engine!UGameViewportClient::Exec()
<unknown module>! UE4Editor_Engine!ULocalPlayer::Exec()
<unknown module>! UE4Editor_Engine!APlayerController::ConsoleCommand()
<unknown module>! UE4Editor_Engine!UConsole::ConsoleCommand()
<unknown module>! UE4Editor_Engine!UConsole::InputKey_InputLine()
<unknown module>! UE4Editor_Engine!UConsole::InputKey()
<unknown module>! UE4Editor_Engine!UGameViewportClient::InputKey()
<unknown module>! UE4Editor_Engine!FSceneViewport::OnKeyUp()
<unknown module>! UE4Editor_Slate!SViewport::OnKeyUp()
<unknown module>! UE4Editor_Slate!<lambda_9ff59621db4ad8ff24fd5955b376f004>::operator()
<unknown module>! UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_9ff59621db4ad8ff24fd5955b376f004> >()
<unknown module>! UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_9ff59621db4ad8ff24fd5955b376f004>,FKeyEvent>()
<unknown module>! UE4Editor_Slate!FSlateApplication::ProcessKeyUpEvent()
<unknown module>! UE4Editor_Slate!FSlateApplication::OnKeyUp()
<unknown module>! UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage()
<unknown module>! UE4Editor_Core!FWindowsApplication::DeferMessage()
<unknown module>! UE4Editor_Core!FWindowsApplication::ProcessMessage()
<unknown module>! UE4Editor_Core!FWindowsApplication::AppWndProc()
<unknown module>! user32!UserCallWinProcCheckWow()
<unknown module>! user32!DispatchMessageWorker()
<unknown module>! UE4Editor_Core!FWindowsPlatformMisc::PumpMessages()
<unknown module>! UE4Editor!FEngineLoop::Tick()
<unknown module>! UE4Editor!GuardedMain()
<unknown module>! UE4Editor!GuardedMainWrapper()
<unknown module>! UE4Editor!WinMain()
<unknown module>! UE4Editor!__tmainCRTStartup()

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Fixed
ComponentNetworking
Affects Versions4.64.7
Target Fix4.11
Fix Commit2881892
Main Commit2905127
Release Commit2883397
CreatedDec 9, 2014
ResolvedFeb 25, 2016
UpdatedApr 27, 2018