[World Composition] Bug on unload level

Development World Creation
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1

Package /Game/Maps/Tile_1_1 didn’t get garbage collected!
(Object is not currently rooted)

Address = 0x6db85bf8 (filename not found) [in C:\Windows\system32\KERNELBASE.dll]
FOutputDeviceWindowsError::Serialize() 0x57ded1bc + 0 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:113] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Core.dll]
FMsg::Logf__VA() 0x57c9b22a + 0 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\private\misc\outputdevice.cpp:547] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Core.dll]
EditorLevelUtils::RemoveLevelFromWorld() 0x50b00248 + 117 bytes [File=c:\unreal engine\4.3\engine\source\editor\unrealed\private\editorlevelutils.cpp:386] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
FLevelCollectionModel::UnloadLevels() 0x39a392a8 + 9 bytes [File=c:\unreal engine\4.3\engine\source\editor\worldbrowser\private\levelcollectionmodel.cpp:561] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-WorldBrowser.dll]
FWorldTileCollectionModel::UnloadLevels() 0x39a39cbe + 13 bytes [File=c:\unreal engine\4.3\engine\source\editor\worldbrowser\private\tiles\worldtilecollectionmodel.cpp:136] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-WorldBrowser.dll]
TBaseSPMethodDelegateInstance_NoParams<FLevelCollectionModel,void,0>::Execute() 0x399ae01d + 12 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:161] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-WorldBrowser.dll]
TBaseSPMethodDelegateInstance_NoParams<FLevelCollectionModel,void,0>::ExecuteIfSafe() 0x399b4097 + 9 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:171] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-WorldBrowser.dll]
FUICommandList::ExecuteAction() 0x51a980b6 + 60 bytes [File=c:\unreal engine\4.3\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:110] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
SMenuEntryBlock::OnClicked() 0x51b525b7 + 127 bytes [File=c:\unreal engine\4.3\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:847] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
SMenuEntryBlock::OnMenuItemButtonClicked() 0x51b56f18 + 0 bytes [File=c:\unreal engine\4.3\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:806] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
TBaseSPMethodDelegateInstance_RetVal_NoParams<SMenuEntryBlock,FReply,0>::Execute() 0x51b3b66c + 17 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:161] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
TBaseDelegate_RetVal_NoParams<FReply>::Execute() 0x51c92cfa + 6 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:1058] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
SButton::OnMouseButtonUp() 0x51cb3ba9 + 17 bytes [File=c:\unreal engine\4.3\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:188] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
FSlateApplication::ProcessMouseButtonUpEvent() 0x51ac5f99 + 23 bytes [File=c:\unreal engine\4.3\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3354] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
FSlateApplication::OnMouseUp() 0x51abaa09 + 17 bytes [File=c:\unreal engine\4.3\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3321] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Slate.dll]
FWindowsApplication::ProcessDeferredMessage() 0x57db36fd + 12 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\private\windows\windowsapplication.cpp:1216] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Core.dll]
FWindowsApplication::DeferMessage() 0x57da1491 + 74 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\private\windows\windowsapplication.cpp:1507] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Core.dll]
FWindowsApplication::ProcessMessage() 0x57db47bf + 41 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\private\windows\windowsapplication.cpp:623] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Core.dll]
FWindowsApplication::AppWndProc() 0x57d9e9d2 + 0 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\private\windows\windowsapplication.cpp:489] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Core.dll]
Address = 0x6fcc2434 (filename not found) [in C:\Windows\system32\USER32.dll]
Address = 0x6fcc2297 (filename not found) [in C:\Windows\system32\USER32.dll]
FWindowsPlatformMisc::PumpMessages() 0x57db4bb6 + 48 bytes [File=c:\unreal engine\4.3\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:753] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor-Core.dll]
FEngineLoop::Tick() 0x7b836eee + 8 bytes [File=c:\unreal engine\4.3\engine\source\runtime\launch\private\launchengineloop.cpp:2066] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor.exe]
GuardedMain() 0x7b82c8cc + 0 bytes [File=c:\unreal engine\4.3\engine\source\runtime\launch\private\launch.cpp:133] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor.exe]
GuardedMainWrapper() 0x7b82c93a + 5 bytes [File=c:\unreal engine\4.3\engine\source\runtime\launch\private\windows\launchwindows.cpp:125] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor.exe]
WinMain() 0x7b838499 + 17 bytes [File=c:\unreal engine\4.3\engine\source\runtime\launch\private\windows\launchwindows.cpp:207] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor.exe]
__tmainCRTStartup() 0x7b839339 + 21 bytes [File=f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618] [in C:\Unreal Engine\4.3\Engine\Binaries\Win64\UE4Editor.exe]
Address = 0x6ddd16ad (filename not found) [in C:\Windows\system32\KERNEL32.DLL]
Address = 0x704834a5 (filename not found) [in C:\Windows\SYSTEM32\ntdll.dll]
Address = 0x704834a5 (filename not found) [in C:\Windows\SYSTEM32\ntdll.dll]
2

Hi,

We are aware of this problem. Could you post full editor log file with a crash. There is information we need.

3

Sorry for stupid question. Where can I find this log?

4

In your project folder there should be /Saved/Logs folder.

5

6

This log does not contain a crash. There should be log file that has this text in it

Package /Game/Maps/Tile_1_1 didn't get garbage collected!
   (Object is not currently rooted)