PAK utility mod 0.3.1

hello yesterday I save while being in the airs with the pak mod except that my save crash
here is the code display

Version: 118201, IsPerforceBuild: false, BuildConfiguration: Shipping, NetMode: Standalone

Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\public\Containers/Array.h] [Line: 611] Array index out of bounds: 0 from an array of size 0

FactoryGame_Win64_Shipping!FWindowsErrorOutputDevice::Serialize() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\private\windows\windowserroroutputdevice.cpp:79]
FactoryGame_Win64_Shipping!FOutputDevice::LogfImpl() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\private\misc\outputdevice.cpp:71]
FactoryGame_Win64_Shipping!AssertFailedImplV() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\private\misc\assertionmacros.cpp:101]
FactoryGame_Win64_Shipping!FDebug::CheckVerifyFailedImpl() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\private\misc\assertionmacros.cpp:439]
FactoryGame_Win64_Shipping!DispatchCheckVerify<void,<lambda_7c76834a4ebbcfe5aa8e9d189a8aa170> >() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\public\misc\assertionmacros.h:162]
FactoryGame_Win64_Shipping!AFGCircuitSubsystem::Tick() [d:\ws\sb-200303103109-c8c\ue4\games\factorygame\source\factorygame\private\fgcircuitsubsystem.cpp:200]
FactoryGame_Win64_Shipping!AActor::TickActor() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\engine\private\actor.cpp:1020]
FactoryGame_Win64_Shipping!FActorTickFunction::ExecuteTick() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\engine\private\actor.cpp:167]
FactoryGame_Win64_Shipping!FTickFunctionTask::DoTask() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\engine\private\ticktaskmanager.cpp:290]
FactoryGame_Win64_Shipping!TGraphTask::ExecuteTask() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\public\async\taskgraphinterfaces.h:847]
FactoryGame_Win64_Shipping!FNamedTaskThread::ProcessTasksUntilQuit() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\private\async\taskgraph.cpp:581]
FactoryGame_Win64_Shipping!FTaskGraphImplementation::WaitUntilTasksComplete() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\core\private\async\taskgraph.cpp:1457]
FactoryGame_Win64_Shipping!FTickTaskSequencer::ReleaseTickGroup() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\engine\private\ticktaskmanager.cpp:561]
FactoryGame_Win64_Shipping!FTickTaskManager::RunTickGroup() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\engine\private\ticktaskmanager.cpp:1517]
FactoryGame_Win64_Shipping!UWorld::Tick() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\engine\private\leveltick.cpp:1568]
FactoryGame_Win64_Shipping!UGameEngine::Tick() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\engine\private\gameengine.cpp:1366]
FactoryGame_Win64_Shipping!UFGGameEngine::Tick() [d:\ws\sb-200303103109-c8c\ue4\games\factorygame\source\factorygame\private\fggameengine.cpp:9]
FactoryGame_Win64_Shipping!FEngineLoop::Tick() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\launch\private\launchengineloop.cpp:3976]
FactoryGame_Win64_Shipping!GuardedMain() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\launch\private\launch.cpp:168]
FactoryGame_Win64_Shipping!GuardedMainWrapper() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\launch\private\windows\launchwindows.cpp:145]
FactoryGame_Win64_Shipping!WinMain() [d:\ws\sb-200303103109-c8c\ue4\engine\source\runtime\launch\private\windows\launchwindows.cpp:275]
FactoryGame_Win64_Shipping!__scrt_common_main_seh() [d:\agent_work\2\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

Was the pak utility mod the only mod you had installed?