# Project Crashes on Launch

**URL:** <https://forums.unrealengine.com/t/project-crashes-on-launch/2375530>\
**Category:** Programming & Scripting\
**Tags:** crashes, unreal-engine, crash, question\
**Created:** [March 5, 2025, 12:59am UTC](https://forums.unrealengine.com/t/project-crashes-on-launch/2375530 "2025-03-05T00:59:21Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![zeroxnero](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@zeroxnero](https://forums.unrealengine.com/u/zeroxnero)\
**Post date:** [March 5, 2025, 12:59am UTC](https://forums.unrealengine.com/t/project-crashes-on-launch/2375530/1 "2025-03-05T00:59:21Z")

</div>

Went to open project this morning and now it crashes on compiling blueprints. I had no issues with the project the night before with no blueprints. I don’t understand what is going on.  
[ObsidianSun.log](https://forums.unrealengine.com/uploads/short-url/rA8MKO3iyNSQhoGdmVZSGuIOPOv.log) (242.2 KB)

Unhandled Exception: EXCEPTION\_ACCESS\_VIOLATION reading address 0x0000000000000029

UnrealEditor\_BlueprintGraph!UK2Node::FixupPinStringDataReferences() [D:\build++UE5\Sync\Engine\Source\Editor\BlueprintGraph\Private\K2Node.cpp:225]  
UnrealEditor\_BlueprintGraph!UK2Node::Serialize() [D:\build++UE5\Sync\Engine\Source\Editor\BlueprintGraph\Private\K2Node.cpp:146]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4770]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExportAndPreload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4053]  
UnrealEditor\_CoreUObject!FLinkerLoad::RegenerateBlueprintClass() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:753]  
UnrealEditor\_CoreUObject!FLinkerLoad::FinalizeBlueprint() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:2078]  
UnrealEditor\_CoreUObject!FLinkerLoad::FinalizeBlueprint() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1979]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateImport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5799]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDependencyPlaceholder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1769]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1595]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1646]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateImport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5799]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDependencyPlaceholder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1769]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1595]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1646]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateImport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5799]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDependencyPlaceholder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1769]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1595]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1646]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateImport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5799]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDependencyPlaceholder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1769]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1595]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveAllImports() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1911]  
UnrealEditor\_CoreUObject!FLinkerLoad::FinalizeBlueprint() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1989]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateImport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5799]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDependencyPlaceholder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1769]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1595]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveAllImports() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1911]  
UnrealEditor\_CoreUObject!FLinkerLoad::FinalizeBlueprint() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1989]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateImport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5799]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDependencyPlaceholder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1769]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1595]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateImport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5799]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDependencyPlaceholder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1769]  
UnrealEditor\_CoreUObject!FLinkerLoad::ResolveDeferredDependencies() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Blueprint\BlueprintSupport.cpp:1595]  
UnrealEditor\_CoreUObject!FLinkerLoad::Preload() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:4824]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5615]  
UnrealEditor\_CoreUObject!FLinkerLoad::IndexToObject() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5906]  
UnrealEditor\_CoreUObject!FLinkerLoad::CreateExport() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\LinkerLoad.cpp:5040]  
UnrealEditor\_CoreUObject!FAsyncPackage2::CreateLinkerLoadExports() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:6152]  
UnrealEditor\_CoreUObject!FAsyncPackage2::Event\_CreateLinkerLoadExports() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:6336]  
UnrealEditor\_CoreUObject!FEventLoadNode2::Execute() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:4960]  
UnrealEditor\_CoreUObject!FAsyncLoadEventQueue2::ExecuteSyncLoadEvents() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:5167]  
UnrealEditor\_CoreUObject!FAsyncLoadingThread2::ProcessAsyncLoadingFromGameThread() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:8091]  
UnrealEditor\_CoreUObject!FAsyncLoadingThread2::TickAsyncLoadingFromGameThread() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:8440]  
UnrealEditor\_CoreUObject!FAsyncLoadingThread2::FlushLoading() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:9923]  
UnrealEditor\_CoreUObject!FlushAsyncLoading() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncPackageLoader.cpp:327]  
UnrealEditor\_CoreUObject!FlushAsyncLoading() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncPackageLoader.cpp:296]  
UnrealEditor\_CoreUObject!LoadPackageInternal() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1757]  
UnrealEditor\_CoreUObject!LoadPackage() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:2121]  
UnrealEditor\_CoreUObject!LoadPackage() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:2097]  
UnrealEditor\_UnrealEd!UEditorEngine::Map\_Load() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\EditorServer.cpp:2603]  
UnrealEditor\_UnrealEd!UEditorEngine::HandleMapCommand() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\EditorServer.cpp:6213]  
UnrealEditor\_UnrealEd!UEditorEngine::Exec\_Editor() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\EditorServer.cpp:5674]  
UnrealEditor\_Core!FExec::Exec() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Misc\Exec.cpp:18]  
UnrealEditor\_Engine!UEngine::Exec() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\UnrealEngine.cpp:5027]  
UnrealEditor\_UnrealEd!UUnrealEdEngine::Exec()  
[D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdSrv.cpp:662]  
UnrealEditor\_UnrealEd!FEditorFileUtils::LoadMap() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\FileHelpers.cpp:2952]  
UnrealEditor\_UnrealEd!FEditorFileUtils::LoadDefaultMapAtStartup() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\FileHelpers.cpp:4958]  
UnrealEditor\_UnrealEd!FUnrealEdMisc::OnInit() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdMisc.cpp:375]  
UnrealEditor\_UnrealEd!EditorInit() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdGlobals.cpp:137]  
UnrealEditor!GuardedMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:166]  
UnrealEditor!GuardedMainWrapper() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:123]  
UnrealEditor!LaunchWindowsStartup() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:277]  
UnrealEditor!WinMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:317]  
UnrealEditor!\_\_scrt\_common\_main\_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe\_common.inl:288]  
kernel32  
ntdll