Unreal Engine Issues and Bug Tracker (UE-64271)

Description

If a Media Player's "On End Reached" event is present in a Level Blueprint, even if it is not being used, packaging the project will fail. An error is thrown and a callstack is given. Please see the callstack section for this information.

Regression?: No
This occurred in 4.19

Steps to Reproduce

Download the attached project
Open the project
Attempt to package the project for Windows 64
Result: The packaging attempt fails
Expected: The packaging attempt succeeds

Callstack

 UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: Fatal error!
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000FD87A06D KERNELBASE.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000E4287884 UE4Editor-ApplicationCore.dll!FWindowsErrorOutputDevice::Serialize() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\applicationcore\private\windows\windowserroroutputdevice.cpp:65]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C4C56EE4 UE4Editor-Core.dll!FOutputDevice::LogfImpl() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:65]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C59A735C UE4Editor-CoreUObject.dll!UPackage::Save() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\coreuobject\private\uobject\savepackage.cpp:4054]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C1265264 UE4Editor-UnrealEd.dll!UEditorEngine::Save() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:4390]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C110EEEB UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::SaveCookedPackage() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:3260]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C111022D UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::SaveCookedPackages() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:2310]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C111BC59 UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::TickCookOnTheSide() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:1773]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C0FCA580 UE4Editor-UnrealEd.dll!UCookCommandlet::CookByTheBook() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\commandlets\cookcommandlet.cpp:904]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000C0FF1CB0 UE4Editor-UnrealEd.dll!UCookCommandlet::Main() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\commandlets\cookcommandlet.cpp:584]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x000000003FE9EB20 UE4Editor-Cmd.exe!FEngineLoop::PreInit() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2195]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x000000003FE969FA UE4Editor-Cmd.exe!GuardedMain() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\launch.cpp:127]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x000000003FE96C4A UE4Editor-Cmd.exe!GuardedMainWrapper() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:144]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x000000003FEA4177 UE4Editor-Cmd.exe!WinMain() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:223]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x000000003FEA4FBF UE4Editor-Cmd.exe!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000778659CD kernel32.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000779C383D ntdll.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: [Callstack] 0x00000000779C383D ntdll.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)):   LogWindows: Error: end: stack for UAT
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Fatal error!
PackagingResults: Error: [Callstack] 0x00000000FD87A06D KERNELBASE.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000E4287884 UE4Editor-ApplicationCore.dll!FWindowsErrorOutputDevice::Serialize() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\applicationcore\private\windows\windowserroroutputdevice.cpp:65]
PackagingResults: Error: [Callstack] 0x00000000C4C56EE4 UE4Editor-Core.dll!FOutputDevice::LogfImpl() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:65]
PackagingResults: Error: [Callstack] 0x00000000C59A735C UE4Editor-CoreUObject.dll!UPackage::Save() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\coreuobject\private\uobject\savepackage.cpp:4054]
PackagingResults: Error: [Callstack] 0x00000000C1265264 UE4Editor-UnrealEd.dll!UEditorEngine::Save() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:4390]
PackagingResults: Error: [Callstack] 0x00000000C110EEEB UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::SaveCookedPackage() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:3260]
PackagingResults: Error: [Callstack] 0x00000000C111022D UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::SaveCookedPackages() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:2310]
PackagingResults: Error: [Callstack] 0x00000000C111BC59 UE4Editor-UnrealEd.dll!UCookOnTheFlyServer::TickCookOnTheSide() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\cookontheflyserver.cpp:1773]
PackagingResults: Error: [Callstack] 0x00000000C0FCA580 UE4Editor-UnrealEd.dll!UCookCommandlet::CookByTheBook() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\commandlets\cookcommandlet.cpp:904]
PackagingResults: Error: [Callstack] 0x00000000C0FF1CB0 UE4Editor-UnrealEd.dll!UCookCommandlet::Main() [d:\build\++ue4+release-4.19+compile\sync\engine\source\editor\unrealed\private\commandlets\cookcommandlet.cpp:584]
PackagingResults: Error: [Callstack] 0x000000003FE9EB20 UE4Editor-Cmd.exe!FEngineLoop::PreInit() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2195]
PackagingResults: Error: [Callstack] 0x000000003FE969FA UE4Editor-Cmd.exe!GuardedMain() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\launch.cpp:127]
PackagingResults: Error: [Callstack] 0x000000003FE96C4A UE4Editor-Cmd.exe!GuardedMainWrapper() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:144]
PackagingResults: Error: [Callstack] 0x000000003FEA4177 UE4Editor-Cmd.exe!WinMain() [d:\build\++ue4+release-4.19+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:223]
PackagingResults: Error: [Callstack] 0x000000003FEA4FBF UE4Editor-Cmd.exe!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
PackagingResults: Error: [Callstack] 0x00000000778659CD kernel32.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000779C383D ntdll.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000779C383D ntdll.dll!UnknownFunction []

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Fixed

Component	Media Framework
Affects Versions	4.19, 4.20, 4.21
Target Fix	4.23

Fix Commit	5296416
Main Commit	6838042

Created	Sep 19, 2018
Resolved	Mar 5, 2019
Updated	Jun 4, 2019

View Jira Issue

UE-64271

Unable to package with a Media Player On End Reached event in a Level Blueprint

Unable to package with a Media Player On End Reached event in a Level Blueprint

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