Hello, recently ( 2 days ago) I’ve tried to migrate my project from 5.2.1 to 5.3.2, so I’ve followed the guide that’s available on epic
Unreal Engine 5.3.2 → Launch → Open the 5.2.1 Project → Open a copy → All Good Here.
A new copy was created in a new folder called projectName 5_3, so I start UE5.3 and launch the project, and here is the point where my life takes a new turn, if I click on any Blueprint Idk bp_gamemode, any bp at all, the engine will crash with the error that I will provide at the bottom, if I try to create any bp in this project and open it, it will crash with the exactly same log, I’ve tried to migrate using the well migrate functionality from 5.2 to 5.3 same problem, if I run a new clean project it’s all good, but I got lots of things here and I’m out of options, any ideas how can I sort this out?
I don’t know if I can share files here too, but if it’s needed I can share some samples so you can test this thing on your side too, a big Thank you in advance
Assertion failed: SourcePin [File:D:\build\++UE5\Sync\Engine\Source\Editor\BlueprintGraph\Private\K2Node.cpp] [Line: 1168]
UnrealEditor_BlueprintGraph!UK2Node::EarlyValidation() [D:\build\++UE5\Sync\Engine\Source\Editor\BlueprintGraph\Private\K2Node.cpp:1255]
UnrealEditor_KismetCompiler!FKismetCompilerContext::CompileClassLayout() [D:\build\++UE5\Sync\Engine\Source\Editor\KismetCompiler\Private\KismetCompiler.cpp:4728]
UnrealEditor_Kismet!FBlueprintCompilationManagerImpl::FlushCompilationQueueImpl() [D:\build\++UE5\Sync\Engine\Source\Editor\Kismet\Private\BlueprintCompilationManager.cpp:1399]
UnrealEditor_Kismet!FBlueprintCompilationManager::FlushCompilationQueue() [D:\build\++UE5\Sync\Engine\Source\Editor\Kismet\Private\BlueprintCompilationManager.cpp:3472]
UnrealEditor_CoreUObject!FScopedClassDependencyGather::~FScopedClassDependencyGather() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:486]
UnrealEditor_CoreUObject!FLinkerLoad::CreateExport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5347]
UnrealEditor_CoreUObject!FLinkerLoad::IndexToObject() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5627]
UnrealEditor_CoreUObject!FLinkerLoad::CreateExport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4782]
UnrealEditor_CoreUObject!FLinkerLoad::CreateExportAndPreload() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3881]
UnrealEditor_CoreUObject!FLinkerLoad::LoadAllObjects() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4059]
UnrealEditor_CoreUObject!LoadPackageInternal() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1833]
UnrealEditor_CoreUObject!`FLinkerLoad::VerifyImportInner'::`2'::<lambda_1>::operator()() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3394]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3529]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3558]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::CreateExport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4782]
UnrealEditor_CoreUObject!FLinkerLoad::CreateExportAndPreload() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3881]
UnrealEditor_CoreUObject!FLinkerLoad::LoadAllObjects() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4059]
UnrealEditor_CoreUObject!LoadPackageInternal() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1833]
UnrealEditor_CoreUObject!`FLinkerLoad::VerifyImportInner'::`2'::<lambda_1>::operator()() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3394]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3529]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3558]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::Verify() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:2815]
UnrealEditor_CoreUObject!FLinkerLoad::FinalizeCreation() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:2617]
UnrealEditor_CoreUObject!FLinkerLoad::ProcessPackageSummary() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:882]
UnrealEditor_CoreUObject!FLinkerLoad::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:932]
UnrealEditor_CoreUObject!FLinkerLoad::CreateLinker() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:550]
UnrealEditor_CoreUObject!GetPackageLinker() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Linker.cpp:875]
UnrealEditor_CoreUObject!LoadPackageInternal() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1718]
UnrealEditor_CoreUObject!`FLinkerLoad::VerifyImportInner'::`2'::<lambda_1>::operator()() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3394]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3529]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3558]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::Verify() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:2815]
UnrealEditor_CoreUObject!FLinkerLoad::FinalizeCreation() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:2617]
UnrealEditor_CoreUObject!FLinkerLoad::ProcessPackageSummary() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:882]
UnrealEditor_CoreUObject!FLinkerLoad::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:932]
UnrealEditor_CoreUObject!FLinkerLoad::CreateLinker() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:550]
UnrealEditor_CoreUObject!GetPackageLinker() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Linker.cpp:875]
UnrealEditor_CoreUObject!LoadPackageInternal() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1718]
UnrealEditor_CoreUObject!`FLinkerLoad::VerifyImportInner'::`2'::<lambda_1>::operator()() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3394]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3529]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImportInner() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3558]
UnrealEditor_CoreUObject!FLinkerLoad::VerifyImport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:3037]
UnrealEditor_CoreUObject!FLinkerLoad::Verify() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:2815]
UnrealEditor_CoreUObject!FLinkerLoad::FinalizeCreation() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:2617]
UnrealEditor_CoreUObject!FLinkerLoad::ProcessPackageSummary() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:882]
UnrealEditor_CoreUObject!FLinkerLoad::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:932]
UnrealEditor_CoreUObject!FLinkerLoad::CreateLinker() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:550]
UnrealEditor_CoreUObject!GetPackageLinker() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Linker.cpp:875]
UnrealEditor_CoreUObject!LoadPackageInternal() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1718]
UnrealEditor_CoreUObject!LoadPackage() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:2014]
UnrealEditor_CoreUObject!LoadPackage() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1987]
UnrealEditor_CoreUObject!ResolveName() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1192]
UnrealEditor_CoreUObject!StaticLoadObjectInternal() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1302]
UnrealEditor_CoreUObject!StaticLoadObject() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1377]
UnrealEditor_Kismet!FBlueprintEditor::LoadLibrariesFromAssetRegistry() [D:\build\++UE5\Sync\Engine\Source\Editor\Kismet\Private\BlueprintEditor.cpp:2115]
UnrealEditor_Kismet!FBlueprintEditor::CommonInitialization() [D:\build\++UE5\Sync\Engine\Source\Editor\Kismet\Private\BlueprintEditor.cpp:2007]
UnrealEditor_Kismet!FBlueprintEditor::InitBlueprintEditor() [D:\build\++UE5\Sync\Engine\Source\Editor\Kismet\Private\BlueprintEditor.cpp:2364]
UnrealEditor_Kismet!FBlueprintEditorModule::CreateBlueprintEditor() [D:\build\++UE5\Sync\Engine\Source\Editor\Kismet\Private\BlueprintEditorModule.cpp:307]
UnrealEditor_Kismet!FBlueprintEditorModule::CreateBlueprintEditor() [D:\build\++UE5\Sync\Engine\Source\Editor\Kismet\Private\BlueprintEditorModule.cpp:298]
UnrealEditor_EngineAssetDefinitions!UAssetDefinition_Blueprint::OpenAssets() [D:\build\++UE5\Sync\Engine\Plugins\Editor\EngineAssetDefinitions\Source\Private\Script\AssetDefinition_Blueprint.cpp:136]
UnrealEditor_AssetTools!FAssetDefinitionProxy::OpenAssetEditor() [D:\build\++UE5\Sync\Engine\Source\Developer\AssetTools\Private\AssetTools.cpp:244]
UnrealEditor_UnrealEd!UAssetEditorSubsystem::OpenEditorForAsset() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Subsystems\AssetEditorSubsystem.cpp:579]
UnrealEditor_UnrealEd!UAssetEditorSubsystem::OpenEditorForAssets_Advanced() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Subsystems\AssetEditorSubsystem.cpp:645]
UnrealEditor_UnrealEd!UAssetEditorSubsystem::OpenEditorForAssets() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Subsystems\AssetEditorSubsystem.cpp:761]
UnrealEditor_ContentBrowserAssetDataSource!ContentBrowserAssetData::EditOrPreviewAssetFileItems() [D:\build\++UE5\Sync\Engine\Plugins\Editor\ContentBrowser\ContentBrowserAssetDataSource\Source\ContentBrowserAssetDataSource\Private\ContentBrowserAssetDataCore.cpp:372]
UnrealEditor_ContentBrowserAssetDataSource!ContentBrowserAssetData::EditOrPreviewItems() [D:\build\++UE5\Sync\Engine\Plugins\Editor\ContentBrowser\ContentBrowserAssetDataSource\Source\ContentBrowserAssetDataSource\Private\ContentBrowserAssetDataCore.cpp:417]
UnrealEditor_ContentBrowserAssetDataSource!UContentBrowserAssetDataSource::BulkEditItems() [D:\build\++UE5\Sync\Engine\Plugins\Editor\ContentBrowser\ContentBrowserAssetDataSource\Source\ContentBrowserAssetDataSource\Private\ContentBrowserAssetDataSource.cpp:2200]
UnrealEditor_ContentBrowser!SContentBrowser::OnItemsActivated() [D:\build\++UE5\Sync\Engine\Source\Editor\ContentBrowser\Private\SContentBrowser.cpp:3141]
UnrealEditor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,1,void __cdecl(TArrayView<FContentBrowserItem const ,int>,enum EAssetTypeActivationMethod::Type),FDefaultDelegateUserPolicy>::Execute() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:281]
UnrealEditor_ContentBrowser!SAssetView::OnListMouseButtonDoubleClick() [D:\build\++UE5\Sync\Engine\Source\Editor\ContentBrowser\Private\SAssetView.cpp:4081]
UnrealEditor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SAssetView,1,void __cdecl(TSharedPtr<FAssetViewItem,1>),FDefaultDelegateUserPolicy>::ExecuteIfSafe() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:298]
UnrealEditor_ContentBrowser!TDelegate<void __cdecl(TSharedPtr<FAssetViewItem,1>),FDefaultDelegateUserPolicy>::ExecuteIfBound<void,0>() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateSignatureImpl.inl:570]
UnrealEditor_ContentBrowser!SListView<TSharedPtr<FAssetViewItem,1> >::Private_OnItemDoubleClicked() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Public\Widgets\Views\SListView.h:1122]
UnrealEditor_ContentBrowser!STableRow<TSharedPtr<FAssetViewItem,1> >::OnMouseButtonDoubleClick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Public\Widgets\Views\STableRow.h:423]
UnrealEditor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,`FSlateApplication::RoutePointerDoubleClickEvent'::`2'::<lambda_1> >() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:442]
UnrealEditor_Slate!FSlateApplication::RoutePointerDoubleClickEvent() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:5700]
UnrealEditor_Slate!FSlateApplication::ProcessMouseButtonDoubleClickEvent() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:5685]
UnrealEditor_Slate!FSlateApplication::OnMouseDoubleClick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:5648]
UnrealEditor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [D:\build\++UE5\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:2235]
UnrealEditor_ApplicationCore!FWindowsApplication::DeferMessage() [D:\build\++UE5\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:2738]
UnrealEditor_ApplicationCore!FWindowsApplication::ProcessMessage() [D:\build\++UE5\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:1099]
UnrealEditor_ApplicationCore!FWindowsApplication::AppWndProc() [D:\build\++UE5\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:937]
user32
user32
UnrealEditor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [D:\build\++UE5\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsPlatformApplicationMisc.cpp:148]
UnrealEditor!FEngineLoop::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:5749]
UnrealEditor!GuardedMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:188]
UnrealEditor!GuardedMainWrapper() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:118]
UnrealEditor!LaunchWindowsStartup() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:258]
UnrealEditor!WinMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:298]
UnrealEditor!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll