CRASH: Random Crashes: Access violation - code c0000005

Crash Report:
[Link Removed]

UE4Editor_CoreUObject! UPackage::SavePackage() + 23952 bytes savepackage.cpp:3305
UE4Editor_UnrealEd! UEditorEngine::SavePackage() + 1065 bytes editor.cpp:4368
UE4Editor_UnrealEd! UEditorEngine::Exec_Obj() + 1723 bytes editorserver.cpp:4079
UE4Editor_UnrealEd! UEditorEngine::Exec() + 1160 bytes editorserver.cpp:5196
UE4Editor_UnrealEd! UUnrealEdEngine::Exec() + 272 bytes unrealedsrv.cpp:715
UE4Editor_UnrealEd! InternalSavePackage() + 3272 bytes filehelpers.cpp:2327
UE4Editor_UnrealEd! FEditorFileUtils::PromptForCheckoutAndSave() + 4351 bytes filehelpers.cpp:2844
UE4Editor_UnrealEd! FKismetEditorUtilities::CompileBlueprint() + 1866 bytes kismet2.cpp:505
UE4Editor_Kismet! FBlueprintEditor::Compile() + 503 bytes blueprinteditor.cpp:2649
UE4Editor_Persona! FPersona::Compile() + 129 bytes persona.cpp:1508
UE4Editor_Kismet! TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper<void> __cdecl(void)>::Execute() + 65 bytes delegateinstancesimpl_variadics.inl:283
UE4Editor_Kismet! TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl(void)>::ExecuteIfSafe() + 54 bytes delegateinstancesimpl_variadics.inl:381
UE4Editor_Slate! FUICommandList::ExecuteAction() + 134 bytes uicommandlist.cpp:73
UE4Editor_Slate! SToolBarButtonBlock::OnClicked() + 253 bytes stoolbarbuttonblock.cpp:283
UE4Editor_Slate! TMemberFunctionCaller<SToolBarButtonBlock,FReply (__cdecl SToolBarButtonBlock::*)(void) __ptr64>::operator()<>() + 71 bytes delegateinstanceinterface_variadics.h:161
UE4Editor_Slate! TTupleImpl<TIntegerSequence<> >::ApplyAfter_ExplicitReturnType<FReply,TMemberFunctionCaller<SToolBarButtonBlock,FReply (__cdecl SToolBarButtonBlock::*)(void) __ptr64> >() + 25 bytes tuple.h:113
UE4Editor_Slate! TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl(void)>::Execute() + 89 bytes delegateinstancesimpl_variadics.inl:283
UE4Editor_Slate! TBaseDelegate<FReply>::Execute() + 26 bytes delegatesignatureimpl_variadics.inl:439
UE4Editor_Slate! SButton::OnMouseButtonUp() + 339 bytes sbutton.cpp:228
UE4Editor_Slate! <lambda_de96dc3471181973108233c6db1f9843>::operator()() + 188 bytes slateapplication.cpp:3857
UE4Editor_Slate! FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_de96dc3471181973108233c6db1f9843> >() + 215 bytes slateapplication.cpp:208
UE4Editor_Slate! FSlateApplication::ProcessMouseButtonUpEvent() + 592 bytes slateapplication.cpp:3860
UE4Editor_Slate! FSlateApplication::OnMouseUp() + 278 bytes slateapplication.cpp:3821
UE4Editor_Core! FWindowsApplication::ProcessDeferredMessage() + 3433 bytes windowsapplication.cpp:1361
UE4Editor_Core! FWindowsApplication::DeferMessage() + 299 bytes windowsapplication.cpp:1657
UE4Editor_Core! FWindowsApplication::ProcessMessage() + 3483 bytes windowsapplication.cpp:742
UE4Editor_Core! FWindowsApplication::AppWndProc() + 98 bytes windowsapplication.cpp:604
user32! UserCallWinProcCheckWow() + 429 bytes
user32! DispatchMessageWorker() + 949 bytes
UE4Editor_Core! FWindowsPlatformMisc::PumpMessages() + 118 bytes windowsplatformmisc.cpp:774
UE4Editor! FEngineLoop::Tick() + 3434 bytes launchengineloop.cpp:2193
UE4Editor! GuardedMain() + 479 bytes launch.cpp:131
UE4Editor! GuardedMainWrapper() + 26 bytes launchwindows.cpp:126
UE4Editor! WinMain() + 249 bytes launchwindows.cpp:202
UE4Editor! __tmainCRTStartup() + 329 bytes crtexe.c:618

Unable to reproduce locally

"Session Disconnected" UEFN

Fix UE-51650

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