Student Migrated Content, ShooterGame Fails

I have a student who is making their own map on Shooter game in 4.78, and has migrated content over from Sci Fi Hallway example. Now when they launch their project, game doesn’t launch and instead crashes.

Bug Report

Assertion failed: OnlineSub [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.7\Samples\Games\ShooterGame\Source\ShooterGame\Private\ShooterGameInstance.cpp] [Line: 96]

KERNELBASE.dll!UnknownFunction (0x00007ffc14e98b9c) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() (0x00007ffbf8038074) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor-Core.dll!FOutputDevice::Logf__VA() (0x00007ffbf7eb7878) + 159 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\outputdevice.cpp:144]
UE4Editor-Core.dll!FDebug::AssertFailed() (0x00007ffbf7e98b17) + 62 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\outputdevice.cpp:224]
UE4Editor-ShooterGame.dll!UnknownFunction (0x00007ffbe797387e) + 0 bytes [UnknownFile:0]
UE4Editor-Engine.dll!UGameInstance::InitializePIE() (0x00007ffbf4428fb1) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\gameinstance.cpp:121]
UE4Editor-UnrealEd.dll!UEditorEngine::CreatePIEGameInstance() (0x00007ffbee93ef40) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\playlevel.cpp:2537]
UE4Editor-UnrealEd.dll!UEditorEngine::PlayInEditor() (0x00007ffbee989520) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\playlevel.cpp:2212]
UE4Editor-UnrealEd.dll!UEditorEngine::StartQueuedPlayMapRequest() (0x00007ffbee9a4e93) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\playlevel.cpp:974]
UE4Editor-UnrealEd.dll!UEditorEngine::Tick() (0x00007ffbee6ddd24) + 13 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\editor.cpp:1226]
UE4Editor-UnrealEd.dll!UUnrealEdEngine::Tick() (0x00007ffbeeb98306) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\unrealedengine.cpp:347]
UE4Editor.exe!FEngineLoop::Tick() (0x00007ff711810263) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:2257]
UE4Editor.exe!GuardedMain() (0x00007ff71180267c) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor.exe!GuardedMainWrapper() (0x00007ff7118026ea) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor.exe!WinMain() (0x00007ff711812219) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor.exe!__tmainCRTStartup() (0x00007ff711813159) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
KERNEL32.DLL!UnknownFunction (0x00007ffc171b13d2) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffc179f5444) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffc179f5444) + 0 bytes [UnknownFile:0]

Hi PaniomReal,

Can you tell us process student used to migrate assets? Normally with Scifi Hallway, you find pack in Launcher Library and select Add to Project, no migration necessary. Did they have these assets in another project, and migrate them from that? Have they tried removing these assets from their project manually in Windows Explorer?

Hi PaniomReal,

We haven’t heard back from you yet, so I’m resolving this post for now. If your student is still getting this crash, please feel free to respond with information requested above and we can continue investigating. Thanks!