game crashes when I load an edited save

[Pasta-sauce]

using the latest version of the save editor and the latest experimental satisfactory version
if it helps the save is called "load me"
here's the log that appears when it crashes:

Version: 155370, IsEditor: No, IsPerforceBuild: No, BuildConfiguration: Shipping, Launcher: Steam, NetMode: Standalone, IsUsingMods: No

Assertion failed: Tag.Size == Loaded [File:D:/ws/SB-210421141322-21c/UE4/Engine/Source/Runtime/CoreUObject/Private/UObject/Class.cpp] [Line: 1478]

FactoryGame_Core_Win64_Shipping!AssertFailedImplV() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\core\private\misc\assertionmacros.cpp:100]
FactoryGame_Core_Win64_Shipping!FDebug::CheckVerifyFailedImpl() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\core\private\misc\assertionmacros.cpp:450]
FactoryGame_CoreUObject_Win64_Shipping!UStruct::SerializeVersionedTaggedProperties() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\coreuobject\private\uobject\class.cpp:1478]
FactoryGame_CoreUObject_Win64_Shipping!UStruct::SerializeTaggedProperties() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\coreuobject\private\uobject\class.cpp:1266]
FactoryGame_CoreUObject_Win64_Shipping!UObject::SerializeScriptProperties() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\coreuobject\private\uobject\obj.cpp:1438]
FactoryGame_CoreUObject_Win64_Shipping!UObject::Serialize() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\coreuobject\private\uobject\obj.cpp:1380]
FactoryGame_CoreUObject_Win64_Shipping!UObject::Serialize() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\coreuobject\private\uobject\obj.cpp:1247]
FactoryGame_Engine_Win64_Shipping!AActor::Serialize() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\actor.cpp:715]
FactoryGame_FactoryGame_Win64_Shipping!FArchiveObjectDataProxy::operator<<() [d:\ws\sb-210421141322-21c\ue4\games\factorygame\source\factorygame\private\fgsavesession.cpp:1521]
FactoryGame_FactoryGame_Win64_Shipping!operator<<() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\core\public\containers\array.h:1176]
FactoryGame_FactoryGame_Win64_Shipping!UFGSaveSession::SerializeLoadedObjects() [d:\ws\sb-210421141322-21c\ue4\games\factorygame\source\factorygame\private\fgsavesession.cpp:1742]
FactoryGame_FactoryGame_Win64_Shipping!UFGSaveSession::LoadCompressedFileFromDisk() [d:\ws\sb-210421141322-21c\ue4\games\factorygame\source\factorygame\private\fgsavesession.cpp:952]
FactoryGame_FactoryGame_Win64_Shipping!UFGSaveSession::LoadGame() [d:\ws\sb-210421141322-21c\ue4\games\factorygame\source\factorygame\private\fgsavesession.cpp:1097]
FactoryGame_FactoryGame_Win64_Shipping!AFGGameMode::InitGameState() [d:\ws\sb-210421141322-21c\ue4\games\factorygame\source\factorygame\private\fggamemode.cpp:274]
FactoryGame_Engine_Win64_Shipping!AGameModeBase::PreInitializeComponents() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\gamemodebase.cpp:125]
FactoryGame_Engine_Win64_Shipping!ULevel::RouteActorInitialize() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\level.cpp:1857]
FactoryGame_Engine_Win64_Shipping!UWorld::InitializeActorsForPlay() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\world.cpp:4153]
FactoryGame_Engine_Win64_Shipping!UEngine::LoadMap() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\unrealengine.cpp:12983]
FactoryGame_FactoryGame_Win64_Shipping!UFGGameEngine::LoadMap() [d:\ws\sb-210421141322-21c\ue4\games\factorygame\source\factorygame\private\fggameengine.cpp:29]
FactoryGame_Engine_Win64_Shipping!UEngine::Browse() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\unrealengine.cpp:12228]
FactoryGame_Engine_Win64_Shipping!UEngine::TickWorldTravel() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\unrealengine.cpp:12426]
FactoryGame_Engine_Win64_Shipping!UGameEngine::Tick() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\engine\private\gameengine.cpp:1686]
FactoryGame_FactoryGame_Win64_Shipping!UFGGameEngine::Tick() [d:\ws\sb-210421141322-21c\ue4\games\factorygame\source\factorygame\private\fggameengine.cpp:13]
FactoryGame_Win64_Shipping!FEngineLoop::Tick() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\launch\private\launchengineloop.cpp:4910]
FactoryGame_Win64_Shipping!GuardedMain() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\launch\private\launch.cpp:169]
FactoryGame_Win64_Shipping!GuardedMainWrapper() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\launch\private\windows\launchwindows.cpp:137]
FactoryGame_Win64_Shipping!WinMain() [d:\ws\sb-210421141322-21c\ue4\engine\source\runtime\launch\private\windows\launchwindows.cpp:268]
FactoryGame_Win64_Shipping!__scrt_common_main_seh() [d:\agent_work\2\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

[Goz3rr]

Can you upload a copy of the save from before you edited it and one from after?