Description

Branch Build Label
UE4-Main Promoted-CL- 2323471
 
DESCRIPTION:
User crashes when opening a Widget blueprint.  Unable to reproduce internally.

*EDIT*
Repro provided by User

 

Steps to Reproduce
  1. Launch UE4 Editor (any project)
  2. Create new Widget blueprint
  3. Close the animation and timeline tab at the bottom of the BP.
  4. Close the BP
  5. Attempt to reopen the BP / create a new widget BP
Callstack
Assertion failed: IsValid() [File:C:\Unreal45\Unreal\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 658] 
 
 
 KERNELBASE.dll!UnknownFunction (0x000007fefd93940d) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() (0x000007fede5b9ecd) + 0 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor-Core.dll!FOutputDevice::Logf__VA() (0x000007fede455b08) + 159 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\misc\outputdevice.cpp:145]
UE4Editor-Core.dll!FDebug::AssertFailed() (0x000007fede4388c2) + 62 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\misc\outputdevice.cpp:220]
UE4Editor-UMGEditor.dll!FWidgetBlueprintEditor::InitWidgetBlueprintEditor() (0x000007fed4cedb8e) + 44 bytes [c:\unreal45\unreal\engine\source\editor\umgeditor\private\widgetblueprinteditor.cpp:67]
UE4Editor-UMGEditor.dll!FAssetTypeActions_WidgetBlueprint::OpenAssetEditor() (0x000007fed4d11df1) + 24 bytes [c:\unreal45\unreal\engine\source\editor\umgeditor\private\assettypeactions_widgetblueprint.cpp:32]
UE4Editor-UnrealEd.dll!FAssetEditorManager::OpenEditorForAsset() (0x000007fed9ac61e2) + 152 bytes [c:\unreal45\unreal\engine\source\editor\unrealed\private\toolkits\asseteditormanager.cpp:288]
UE4Editor-UMGEditor.dll!FAssetTypeActions_Base::AssetsActivated() (0x000007fed4c800c9) + 0 bytes [c:\unreal45\unreal\engine\source\developer\assettools\public\assettypeactions_base.h:36]
UE4Editor-ContentBrowser.dll!SContentBrowser::OnAssetsActivated() (0x000007feceaac3c4) + 0 bytes [c:\unreal45\unreal\engine\source\editor\contentbrowser\private\scontentbrowser.cpp:1362]
UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance_TwoParams<SContentBrowser,void,TArray<FAssetData,FDefaultAllocator> const & __ptr64,enum EAssetTypeActivationMethod::Type,0>::Execute() (0x000007fecea38163) + 18 bytes [c:\unreal45\unreal\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:161]
UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance_TwoParams<SContentBrowser,void,TArray<FAssetData,FDefaultAllocator> const & __ptr64,enum EAssetTypeActivationMethod::Type,0>::ExecuteIfSafe() (0x000007fecea41d08) + 15 bytes [c:\unreal45\unreal\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:171]
UE4Editor-ContentBrowser.dll!SAssetView::OnListMouseButtonDoubleClick() (0x000007feceab7e04) + 43 bytes [c:\unreal45\unreal\engine\source\editor\contentbrowser\private\sassetview.cpp:3125]
UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance_OneParam<SAssetView,void,TSharedPtr<FAssetViewItem,0>,0>::Execute() (0x000007fecea314b6) + 41 bytes [c:\unreal45\unreal\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:161]
UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance_OneParam<SAssetView,void,TSharedPtr<FAssetViewItem,0>,0>::ExecuteIfSafe() (0x000007fecea3fd6b) + 38 bytes [c:\unreal45\unreal\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:171]
UE4Editor-ContentBrowser.dll!TBaseDelegate_OneParam<void,TSharedPtr<FAssetViewItem,0> >::ExecuteIfBound() (0x000007fecea3d456) + 38 bytes [c:\unreal45\unreal\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:1072]
UE4Editor-ContentBrowser.dll!SListView<TSharedPtr<FAssetViewItem,0> >::Private_OnItemDoubleClicked() (0x000007feceaccabf) + 41 bytes [c:\unreal45\unreal\engine\source\runtime\slate\public\widgets\views\slistview.h:687]
UE4Editor-ContentBrowser.dll!STableRow<TSharedPtr<FAssetViewItem,0> >::OnMouseButtonDoubleClick() (0x000007feceab804f) + 0 bytes [c:\unreal45\unreal\engine\source\runtime\slate\public\widgets\views\stablerow.h:180]
UE4Editor-Slate.dll!FSlateApplication::ProcessMouseButtonDoubleClickEvent() (0x000007fedb10d705) + 30 bytes [c:\unreal45\unreal\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3436]
UE4Editor-Slate.dll!FSlateApplication::OnMouseDoubleClick() (0x000007fedb0fb36b) + 19 bytes [c:\unreal45\unreal\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3413]
UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() (0x000007fede539aac) + 32 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\windows\windowsapplication.cpp:1288]
UE4Editor-Core.dll!FWindowsApplication::DeferMessage() (0x000007fede5260db) + 74 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\windows\windowsapplication.cpp:1637]
UE4Editor-Core.dll!FWindowsApplication::ProcessMessage() (0x000007fede53adb9) + 41 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\windows\windowsapplication.cpp:737]
UE4Editor-Core.dll!FWindowsApplication::AppWndProc() (0x000007fede522a22) + 0 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\windows\windowsapplication.cpp:599]
USER32.dll!UnknownFunction (0x00000000779d9bd1) + 0 bytes [UnknownFile:0]
USER32.dll!UnknownFunction (0x00000000779d98da) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!FWindowsPlatformMisc::PumpMessages() (0x000007fede53b276) + 48 bytes [c:\unreal45\unreal\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:757]
UE4Editor.exe!FEngineLoop::Tick() (0x000000013fceb082) + 8 bytes [c:\unreal45\unreal\engine\source\runtime\launch\private\launchengineloop.cpp:2111]
UE4Editor.exe!GuardedMain() (0x000000013fce0c3e) + 0 bytes [c:\unreal45\unreal\engine\source\runtime\launch\private\launch.cpp:133]
UE4Editor.exe!GuardedMainWrapper() (0x000000013fce0caa) + 5 bytes [c:\unreal45\unreal\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
UE4Editor.exe!WinMain() (0x000000013fcec859) + 17 bytes [c:\unreal45\unreal\engine\source\runtime\launch\private\windows\launchwindows.cpp:201]
UE4Editor.exe!__tmainCRTStartup() (0x000000013fced789) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
kernel32.dll!UnknownFunction (0x00000000778b59ed) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x0000000077aec541) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x0000000077aec541) + 0 bytes [UnknownFile:0]

Have Comments or More Details?

Head over to the existing Questions & Answers thread and let us know what's up.

0
Login to Vote

Fixed
ComponentUE - Editor - UI Systems
Target Fix4.7
CreatedOct 17, 2014
ResolvedJan 15, 2015
UpdatedApr 27, 2018
View Jira Issue