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[Closed] Crash on opening widget blueprint

I don't know what happened but I was creating a inventory widget, i'd just finished the layout and compiled and saved. everything seemed normal but now when I try to open ANY widget blueprint my project crashes. I tried creating a new blank project and made a new widget blueprint but when trying to open it the new project crashed also. I tried creating a widget blueprint in UE 4.9 and it worked fine but now I cannot create or modify any widget blueprints in UE 4.10. I tried deleting the project that I was working on before the issue started but it seems to still be effecting any existing and new projects made on UE 4.10, I just finished un-installing and re-installing UE 4.10 hoping to fix the issue but it still is effecting my projects and new projects. I am now extremely frustrated and unable to continue my work. Any help is greatly appreciated.

this is the crash report I got last.

MachineId:9BF326E34FF00EA816D318AE2AF5D6F7 EpicAccountId:74da2f6473cf4bafb7ce1428d9eed5f3

Unknown exception - code 00000001 (first/second chance not available)

"Assertion failed: IsValid() [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 739] "

UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\misc\outputdevice.cpp:374] UE4Editor_UMGEditor!FWidgetBlueprintEditor::UpdatePreview() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\umgeditor\private\widgetblueprinteditor.cpp:680] UE4Editor_UMGEditor!FWidgetBlueprintEditor::InitWidgetBlueprintEditor() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\umgeditor\private\widgetblueprinteditor.cpp:86] UE4Editor_UMGEditor!FAssetTypeActions_WidgetBlueprint::OpenAssetEditor() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\umgeditor\private\assettypeactions_widgetblueprint.cpp:32] UE4Editor_UnrealEd!FAssetEditorManager::OpenEditorForAsset() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\toolkits\asseteditormanager.cpp:311] UE4Editor_UMGEditor!FAssetTypeActions_Base::AssetsActivated() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\developer\assettools\public\assettypeactions_base.h:41] UE4Editor_ContentBrowser!SContentBrowser::OnAssetsActivated() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\contentbrowser\private\scontentbrowser.cpp:1757] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,TTypeWrapper __cdecl(TArray const & __ptr64,enum EAssetTypeActivationMethod::Type)>::Execute() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,void __cdecl(TArray const & __ptr64,enum EAssetTypeActivationMethod::Type)>::ExecuteIfSafe() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:388] UE4Editor_ContentBrowser!SAssetView::OnListMouseButtonDoubleClick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\contentbrowser\private\sassetview.cpp:3292] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SAssetView,0,TTypeWrapper __cdecl(TSharedPtr)>::Execute() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SAssetView,0,void __cdecl(TSharedPtr)>::ExecuteIfSafe() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:388] UE4Editor_ContentBrowser!TBaseDelegate >::ExecuteIfBound() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:482] UE4Editor_ContentBrowser!SListView >::Private_OnItemDoubleClicked() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\public\widgets\views\slistview.h:689] UE4Editor_ContentBrowser!STableRow >::OnMouseButtonDoubleClick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\public\widgets\views\stablerow.h:261] UE4Editor_Slate!::operator()() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4609] UE4Editor_Slate!FEventRouter::Route >() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:214] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonDoubleClickEvent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4607] UE4Editor_Slate!FSlateApplication::OnMouseDoubleClick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4590] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:1358] UE4Editor_Core!FWindowsApplication::DeferMessage() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:1721] UE4Editor_Core!FWindowsApplication::ProcessMessage() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:719] UE4Editor_Core!FWindowsApplication::AppWndProc() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:641] user32 user32 UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:884] UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2391] UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:142] UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200] UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264] kernel32 ntdll

Product Version: UE 4.10
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asked Jan 05 '16 at 11:38 AM in Blueprint Scripting

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AlphaHemi
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The question has been closed Jan 05 '16 at 06:04 PM by Sean L for the following reason:

https://answers.unrealengine.com/questions/355164/all-projects-crashing-when-opening-widget-blueprin.html


1 answer: sort voted first

Hello,

I am closing this topic as a duplicate of https://answers.unrealengine.com/questions/355164/all-projects-crashing-when-opening-widget-blueprin.html

Please refer to that post for updates on this issue.

Have a great day

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answered Jan 05 '16 at 06:04 PM

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Sean L ♦♦ STAFF
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