Editor crashes on project load (4.17.2)

After switching from 4.17.1 to 4.17.2 myproject won’t open with this error:

Assertion failed: NewOperatorInputA [File:D:\Build\++UE4+Release-4.17+Compile\Sync\Engine\Source\Editor\BlueprintGraph\Private\K2Node_CommutativeAssociativeBinaryOperator.cpp] [Line: 286]

UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]
UE4Editor_BlueprintGraph!UK2Node_CommutativeAssociativeBinaryOperator::ExpandNode() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\blueprintgraph\private\k2node_commutativeassociativebinaryoperator.cpp:287]
UE4Editor_KismetCompiler!FKismetCompilerContext::ExpansionStep() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2869]
UE4Editor_KismetCompiler!FKismetCompilerContext::CreateAndProcessUbergraph() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:3145]
UE4Editor_KismetCompiler!FKismetCompilerContext::CreateFunctionList() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:3599]
UE4Editor_KismetCompiler!FKismetCompilerContext::CompileClassLayout() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:3858]
UE4Editor_Kismet!FBlueprintCompilationManagerImpl::FlushCompilationQueueImpl() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\kismet\private\blueprintcompilationmanager.cpp:714]
UE4Editor_Kismet!FBlueprintCompilationManager::FlushCompilationQueue() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\kismet\private\blueprintcompilationmanager.cpp:1969]
UE4Editor_Engine!UBlueprintGeneratedClass::ConditionalRecompileClass() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\blueprintgeneratedclass.cpp:260]
UE4Editor_CoreUObject!FScopedClassDependencyGather::~FScopedClassDependencyGather() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\blueprint\blueprintsupport.cpp:376]
UE4Editor_CoreUObject!FLinkerLoad::CreateExport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:4010]
UE4Editor_CoreUObject!FLinkerLoad::IndexToObject() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:4227]
UE4Editor_CoreUObject!FLinkerLoad::CreateExport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3697]
UE4Editor_CoreUObject!FLinkerLoad::IndexToObject() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:4227]
UE4Editor_CoreUObject!FLinkerLoad::CreateExport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3697]
UE4Editor_CoreUObject!FLinkerLoad::CreateExportAndPreload() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2743]
UE4Editor_CoreUObject!FLinkerLoad::LoadAllObjects() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2890]
UE4Editor_CoreUObject!LoadPackageInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1303]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2420]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2468]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::Verify() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1955]
UE4Editor_CoreUObject!FLinkerLoad::FinalizeCreation() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1865]
UE4Editor_CoreUObject!FLinkerLoad::Tick() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:734]
UE4Editor_CoreUObject!FLinkerLoad::CreateLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:437]
UE4Editor_CoreUObject!GetPackageLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linker.cpp:693]
UE4Editor_CoreUObject!LoadPackageInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1215]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2420]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2468]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::Verify() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1955]
UE4Editor_CoreUObject!FLinkerLoad::FinalizeCreation() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1865]
UE4Editor_CoreUObject!FLinkerLoad::Tick() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:734]
UE4Editor_CoreUObject!FLinkerLoad::CreateLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:437]
UE4Editor_CoreUObject!GetPackageLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linker.cpp:693]
UE4Editor_CoreUObject!LoadPackageInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1215]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2420]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2468]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::Verify() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1955]
UE4Editor_CoreUObject!FLinkerLoad::FinalizeCreation() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1865]
UE4Editor_CoreUObject!FLinkerLoad::Tick() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:734]
UE4Editor_CoreUObject!FLinkerLoad::CreateLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:437]
UE4Editor_CoreUObject!GetPackageLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linker.cpp:693]
UE4Editor_CoreUObject!LoadPackageInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1215]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2420]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2468]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::Verify() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1955]
UE4Editor_CoreUObject!FLinkerLoad::FinalizeCreation() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1865]
UE4Editor_CoreUObject!FLinkerLoad::Tick() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:734]
UE4Editor_CoreUObject!FLinkerLoad::CreateLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:437]
UE4Editor_CoreUObject!GetPackageLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linker.cpp:693]
UE4Editor_CoreUObject!LoadPackageInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1215]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2420]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2468]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::Verify() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1955]
UE4Editor_CoreUObject!FLinkerLoad::FinalizeCreation() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1865]
UE4Editor_CoreUObject!FLinkerLoad::Tick() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:734]
UE4Editor_CoreUObject!FLinkerLoad::CreateLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:437]
UE4Editor_CoreUObject!GetPackageLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linker.cpp:693]
UE4Editor_CoreUObject!LoadPackageInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1215]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2420]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImportInner() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2468]
UE4Editor_CoreUObject!FLinkerLoad::VerifyImport() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:2176]
UE4Editor_CoreUObject!FLinkerLoad::Verify() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1955]
UE4Editor_CoreUObject!FLinkerLoad::FinalizeCreation() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:1865]
UE4Editor_CoreUObject!FLinkerLoad::Tick() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:734]
UE4Editor_CoreUObject!FLinkerLoad::CreateLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:437]
UE4Editor_CoreUObject!GetPackageLinker() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\linker.cpp:693]
UE4Editor_CoreUObject!LoadPackageInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1215]
UE4Editor_CoreUObject!LoadPackage() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1409]
UE4Editor_UnrealEd!UEditorEngine::Map_Load() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\editorserver.cpp:2491]
UE4Editor_UnrealEd!UEditorEngine::HandleMapCommand() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\editorserver.cpp:5991]
UE4Editor_UnrealEd!UEditorEngine::Exec() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\editorserver.cpp:5468]
UE4Editor_UnrealEd!UUnrealEdEngine::Exec() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\unrealedsrv.cpp:672]
UE4Editor_UnrealEd!FEditorFileUtils::LoadMap() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\filehelpers.cpp:2192]
UE4Editor_UnrealEd!FEditorFileUtils::LoadDefaultMapAtStartup() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\filehelpers.cpp:3509]
UE4Editor_UnrealEd!FUnrealEdMisc::OnInit() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\unrealedmisc.cpp:348]
UE4Editor_UnrealEd!EditorInit() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\unrealed\private\unrealedglobals.cpp:97]
UE4Editor!GuardedMain() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\launch.cpp:150]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor!WinMain() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
kernel32
ntdll

I’ve removed EditorStartupMap from DefaultEngine.ini and now the project load. Unfortunatelly none of maps or assets are working … only thing i could open and edit were enumerators …

false alarm - there was a double entry for victoryplugin in my *.uproject …