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Editor crashes loading a Level | Important Project!

I have a serious issue currently destroying my new project... My Main-Level suddenly crashes the Editor everytime i load it. The last thing i did was implementing an Interface (Blueprint) in a parent class while it have been implenenten in a child class.. Maybe that caused the error.. I removed the implementations but the Level won't load anyway..

Please help me fast, this project is really important to me! Thanks in advance :)

Edit #1: Two Blueprints who are childs of these parent BP which implement these interfaces seem to be corrupted too. I get the same error when i try to edit them.

Edit #2: I'm not even able to remove the Blueprints from the Explorer because, the editor crashes when i click the del key or when i rightclick the corrupted blueprint.....


 **Fatal error!
 
 Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000060
 
 UE4Editor-Engine.dll!UEdGraph::GetAllChildrenGraphs() (0x000007fee6782e51) + 2 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\edgraph\edgraph.cpp:229]
 UE4Editor-Engine.dll!UBlueprint::GetAllGraphs() (0x000007fee5d5d17d) + 12 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\blueprint.cpp:1041]
 UE4Editor-UnrealEd.dll!FRegenerationHelper::LinkExternalDependencies() (0x000007fee3ccfe5d) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\kismet2\blueprinteditorutils.cpp:808]
 UE4Editor-UnrealEd.dll!FBlueprintEditorUtils::RegenerateBlueprintClass() (0x000007fee3cd940f) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\kismet2\blueprinteditorutils.cpp:1181]
 UE4Editor-CoreUObject.dll!ULinkerLoad::RegenerateBlueprintClass() (0x000007fee847eca7) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:289]
 UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeBlueprint() (0x000007fee8454515) + 15 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:1000]
 UE4Editor-CoreUObject.dll!ULinkerLoad::Preload() (0x000007fee84fa57d) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3014]
 UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fee84d1de5) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3606]
 UE4Editor-CoreUObject.dll!ULinkerLoad::IndexToObject() (0x000007fee84ef758) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3804]
 UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExport() (0x000007fee84d14c1) + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3329]
 UE4Editor-CoreUObject.dll!ULinkerLoad::CreateExportAndPreload() (0x000007fee84d208b) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2520]
 UE4Editor-CoreUObject.dll!ULinkerLoad::LoadAllObjects() (0x000007fee84f1c5b) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2628]
 UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fee85a26e7) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:896]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fee8518fab) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fee8518233) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fee8519369) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2261]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fee8518233) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
 UE4Editor-CoreUObject.dll!ULinkerLoad::Verify() (0x000007fee8518017) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1768]
 UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeCreation() (0x000007fee84da260) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1674]
 UE4Editor-CoreUObject.dll!ULinkerLoad::Tick() (0x000007fee85173c0) + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:634]
 UE4Editor-CoreUObject.dll!ULinkerLoad::CreateLinker() (0x000007fee84d362f) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:382]
 UE4Editor-CoreUObject.dll!GetPackageLinker() (0x000007fee84ea222) + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linker.cpp:668]
 UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fee85a24ff) + 37 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:833]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fee8518fab) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fee8518233) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fee8519369) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2261]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fee8518233) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
 UE4Editor-CoreUObject.dll!ULinkerLoad::Verify() (0x000007fee8518017) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1768]
 UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeCreation() (0x000007fee84da260) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1674]
 UE4Editor-CoreUObject.dll!ULinkerLoad::Tick() (0x000007fee85173c0) + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:634]
 UE4Editor-CoreUObject.dll!ULinkerLoad::CreateLinker() (0x000007fee84d362f) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:382]
 UE4Editor-CoreUObject.dll!GetPackageLinker() (0x000007fee84ea222) + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linker.cpp:668]
 UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fee85a24ff) + 37 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:833]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fee8518fab) + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2213]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fee8518233) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImportInner() (0x000007fee8519369) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2261]
 UE4Editor-CoreUObject.dll!ULinkerLoad::VerifyImport() (0x000007fee8518233) + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1978]
 UE4Editor-CoreUObject.dll!ULinkerLoad::Verify() (0x000007fee8518017) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1768]
 UE4Editor-CoreUObject.dll!ULinkerLoad::FinalizeCreation() (0x000007fee84da260) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1674]
 UE4Editor-CoreUObject.dll!ULinkerLoad::Tick() (0x000007fee85173c0) + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:634]
 UE4Editor-CoreUObject.dll!ULinkerLoad::CreateLinker() (0x000007fee84d362f) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:382]
 UE4Editor-CoreUObject.dll!GetPackageLinker() (0x000007fee84ea222) + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\linker.cpp:668]
 UE4Editor-CoreUObject.dll!LoadPackageInternal() (0x000007fee85a24ff) + 37 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:833]
 UE4Editor-UnrealEd.dll!UEditorEngine::Map_Load() (0x000007fee35df77a) + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\editorserver.cpp:2245]
 UE4Editor-UnrealEd.dll!UEditorEngine::HandleMapCommand() (0x000007fee35cdc3d) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\editorserver.cpp:5680]
 UE4Editor-UnrealEd.dll!UEditorEngine::Exec() (0x000007fee35b8ced) + 21 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\editorserver.cpp:5180]
 UE4Editor-UnrealEd.dll!UUnrealEdEngine::Exec() (0x000007fee3940181) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\unrealedsrv.cpp:742]
 UE4Editor-UnrealEd.dll!FEditorFileUtils::LoadMap() (0x000007fee36484d5) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\filehelpers.cpp:1910]
 UE4Editor-UnrealEd.dll!`FEditorFileUtils::LoadMap'::`8'::FLocal::HandleLevelsChosen() (0x000007fee363f90e) + 15 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\filehelpers.cpp:1779]
 UE4Editor-UnrealEd.dll!TBaseStaticDelegateInstance const & __ptr64)>::ExecuteIfSafe() (0x000007fee363167d) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:921]
 UE4Editor-UnrealEd.dll!`FEditorFileUtils::OpenLevelPickingDialog'::`2'::FLocal::OnLevelsSelected() (0x000007fee364b415) + 30 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\filehelpers.cpp:1570]
 UE4Editor-UnrealEd.dll!TBaseStaticDelegateInstance const & __ptr64),TBaseDelegate const & __ptr64> >::ExecuteIfSafe() (0x000007fee36316c2) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:922]
 UE4Editor-ContentBrowser.dll!SAssetDialog::ChooseAssetsForOpen() (0x000007fedae9b65d) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\contentbrowser\private\sassetdialog.cpp:486]
 UE4Editor-ContentBrowser.dll!SAssetDialog::OnAssetsActivated() (0x000007fedaf810f6) + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\contentbrowser\private\sassetdialog.cpp:403]
 UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SAssetDialog,0,TTypeWrapper __cdecl(TArray const & __ptr64,enum EAssetTypeActivationMethod::Type)>::Execute() (0x000007fedaef7c37) + 38 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282]
 UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SAssetDialog,0,void __cdecl(TArray const & __ptr64,enum EAssetTypeActivationMethod::Type)>::ExecuteIfSafe() (0x000007fedaf03cd7) + 14 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:388]
 UE4Editor-ContentBrowser.dll!SAssetPicker::HandleAssetsActivated() (0x000007fedaf45437) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\contentbrowser\private\sassetpicker.cpp:393]
 UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SAssetPicker,0,TTypeWrapper __cdecl(TArray const & __ptr64,enum EAssetTypeActivationMethod::Type)>::Execute() (0x000007fedaef8227) + 38 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282]
 UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SAssetPicker,0,void __cdecl(TArray const & __ptr64,enum EAssetTypeActivationMethod::Type)>::ExecuteIfSafe() (0x000007fedaf04187) + 14 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:388]
 UE4Editor-ContentBrowser.dll!SAssetView::OnListMouseButtonDoubleClick() (0x000007fedaf8d087) + 42 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\contentbrowser\private\sassetview.cpp:3207]
 UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SAssetView,0,TTypeWrapper __cdecl(TSharedPtr)>::Execute() (0x000007fedaef93c1) + 52 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282]
 UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance<0,SAssetView,0,void __cdecl(TSharedPtr)>::ExecuteIfSafe() (0x000007fedaf0506a) + 37 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:388]
 UE4Editor-ContentBrowser.dll!TBaseDelegate >::ExecuteIfBound() (0x000007fedaf02306) + 38 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:518]
 UE4Editor-ContentBrowser.dll!SListView >::Private_OnItemDoubleClicked() (0x000007fedafa2f0f) + 41 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\public\widgets\views\slistview.h:693]
 UE4Editor-ContentBrowser.dll!STableRow >::OnMouseButtonDoubleClick() (0x000007fedaf8d2ef) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\public\widgets\views\stablerow.h:252]
 UE4Editor-Slate.dll!::operator()() (0x000007fee533d38e) + 9 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3918]
 UE4Editor-Slate.dll!FEventRouter::Route >() (0x000007fee52f774d) + 21 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:202]
 UE4Editor-Slate.dll!FSlateApplication::ProcessMouseButtonDoubleClickEvent() (0x000007fee53a4507) + 90 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3919]
 UE4Editor-Slate.dll!FSlateApplication::OnMouseDoubleClick() (0x000007fee539417b) + 19 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3900]
 UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() (0x000007fee89b3788) + 32 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:1315]
 UE4Editor-Core.dll!FWindowsApplication::DeferMessage() (0x000007fee89a5cce) + 74 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runt**


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asked Mar 10 '15 at 11:41 PM in Bug Reports

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captaincliff
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avatar image Adam Davis STAFF Mar 13 '15 at 08:09 PM

Hi captaincliff,

If you go into your windows explorer filepath \Unreal Projects\PROJECTNAME\saved\backup\ you should be able to find an older copy of the blueprints in question. Find copies of your parent and child blueprints from before implementing the interface and move them from this folder to the folder they are in in the content browser filepath \Unreal Projects\PROJECTNAME\content\FOLDERNAME\ . Please let me know if this works, to be safe, you can move the assets that have the interface implemented to an empty folder on the desktop, then move the backups to their original folder location. Additionally can you post your crash logs here? They can be found at \Unreal Projects\PROJECTNAME\saved\logs. Thank you!

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Hi captaincliff,

We have not heard from you in a few days. I am marking this as answered for tracking purposes. If you are still experiencing this error, please comment with the requested information.

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answered Mar 17 '15 at 10:58 PM

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