diff --git a/FicsItCam.uplugin b/FicsItCam.uplugin
index 6f32b5f..119e5dd 100644
--- a/FicsItCam.uplugin
+++ b/FicsItCam.uplugin
@@ -2,7 +2,7 @@
 	"FileVersion": 3,
 	"Version": 0,
 	"VersionName": "0.3",
-	"SemVersion": "0.3.1",
+	"SemVersion": "0.3.2",
 	"AcceptsAnyRemoteVersion": true,
 	"FriendlyName": "FicsIt-Cam",
 	"Description": "This mod allows you to create beautiful camera animations in-game.",
diff --git a/Source/FicsItCam/Private/Data/Objects/FICParticleSystem.cpp b/Source/FicsItCam/Private/Data/Objects/FICParticleSystem.cpp
index 287d923..09797fa 100644
--- a/Source/FicsItCam/Private/Data/Objects/FICParticleSystem.cpp
+++ b/Source/FicsItCam/Private/Data/Objects/FICParticleSystem.cpp
@@ -83,6 +83,7 @@ TSharedRef<SWidget> UFICParticleSystem::CreateDetailsWidget(UFICEditorContext* I
 }
 
 void UFICParticleSystem::InitEditor(UFICEditorContext* Context) {
+	check(ParticleSystemActor == nullptr);
 	FVector Pos = Position.Get(Context->GetCurrentFrame());
 	FRotator Rot = Rotation.Get(Context->GetCurrentFrame());
 	ParticleSystemActor = GetWorld()->SpawnActor<AFICParticleSystemActor>(Pos, Rot);
@@ -93,11 +94,13 @@ void UFICParticleSystem::InitEditor(UFICEditorContext* Context) {
 }
 
 void UFICParticleSystem::ShutdownEditor(UFICEditorContext* Context) {
+	check(ParticleSystemActor != nullptr);
 	ParticleSystemActor->Destroy();
 	ParticleSystemActor = nullptr;
 }
 
 void UFICParticleSystem::EditorUpdate(UFICEditorContext* Context, TSharedRef<FFICEditorAttributeBase> Attribute) {
+	check(ParticleSystemActor != nullptr);
 	FVector Pos = FFICAttributePosition::FromEditorAttribute(Attribute->Get<FFICEditorAttributeGroup>("Position"));
 	FRotator Rot = FFICAttributeRotation::FromEditorAttribute(Attribute->Get<FFICEditorAttributeGroup>("Rotation"));
 	bool bActive = Attribute->Get<FFICEditorAttributeBool>("Active").GetActiveValue(); 
diff --git a/Source/FicsItCam/Private/Editor/FICChangeList.cpp b/Source/FicsItCam/Private/Editor/FICChangeList.cpp
index 415b0a3..2c58ba5 100644
--- a/Source/FicsItCam/Private/Editor/FICChangeList.cpp
+++ b/Source/FicsItCam/Private/Editor/FICChangeList.cpp
@@ -39,16 +39,19 @@ void FFICChange_ActiveFrame::UndoChange() {
 }
 
 void FFICChange_AddSceneObject::RedoChange() {
+	UObject* SceneObject = Context->FindSceneObject(SceneObjectName);
 	if (SceneObject) return;
 	UObject* CDO = SceneObjectClass->GetDefaultObject();
 	SceneObject = Cast<IFICSceneObject>(CDO)->CreateNewObject(AFICSubsystem::GetFICSubsystem(Context), Context->GetScene());
+	Cast<IFICSceneObject>(SceneObject)->SetSceneObjectName(SceneObjectName);
 	Context->AddSceneObject(SceneObject);
 	Context->SetSelectedSceneObject(SceneObject);
-	Cast<IFICSceneObject>(SceneObject)->GetRootAttribute().Set(Snapshot.ToSharedRef());
+	if (Snapshot) Cast<IFICSceneObject>(SceneObject)->GetRootAttribute().Set(Snapshot.ToSharedRef());
 	Snapshot.Reset();
 }
 
 void FFICChange_AddSceneObject::UndoChange() {
+	UObject* SceneObject = Context->FindSceneObject(SceneObjectName);
 	if (!SceneObject) return;
 	Snapshot = Cast<IFICSceneObject>(SceneObject)->GetRootAttribute().Get();
 	Context->RemoveSceneObject(SceneObject);
@@ -58,19 +61,22 @@ void FFICChange_AddSceneObject::UndoChange() {
 FFICChange_RemoveSceneObject::FFICChange_RemoveSceneObject(UFICEditorContext* InContext, UObject* InSceneObject) :
 	Context(InContext),
 	SceneObjectClass(InSceneObject->GetClass()),
+	SceneObjectName(Cast<IFICSceneObject>(InSceneObject)->GetSceneObjectName()),
 	Snapshot(Cast<IFICSceneObject>(InSceneObject)->GetRootAttribute().Get()) {}
 
 void FFICChange_RemoveSceneObject::RedoChange() {
+	UObject* SceneObject = Context->FindSceneObject(SceneObjectName);
 	if (!SceneObject) return;
 	Snapshot = Cast<IFICSceneObject>(SceneObject)->GetRootAttribute().Get();
 	Context->RemoveSceneObject(SceneObject);
-	SceneObject = nullptr;
 }
 
 void FFICChange_RemoveSceneObject::UndoChange() {
+	UObject* SceneObject = Context->FindSceneObject(SceneObjectName);
 	if (SceneObject) return;
 	UObject* CDO = SceneObjectClass->GetDefaultObject();
 	SceneObject = Cast<IFICSceneObject>(CDO)->CreateNewObject(AFICSubsystem::GetFICSubsystem(Context), Context->GetScene());
+	Cast<IFICSceneObject>(SceneObject)->SetSceneObjectName(SceneObjectName);
 	Cast<IFICSceneObject>(SceneObject)->GetRootAttribute().Set(Snapshot.ToSharedRef());
 	Snapshot.Reset();
 	Context->AddSceneObject(SceneObject);
diff --git a/Source/FicsItCam/Private/Editor/FICEditorContext.cpp b/Source/FicsItCam/Private/Editor/FICEditorContext.cpp
index d566c6a..e7a4104 100644
--- a/Source/FicsItCam/Private/Editor/FICEditorContext.cpp
+++ b/Source/FicsItCam/Private/Editor/FICEditorContext.cpp
@@ -173,6 +173,15 @@ void UFICEditorContext::MoveSceneObject(UObject* SceneObject, int Delta) {
 	SetSelectedSceneObject(SceneObject);
 }
 
+UObject* UFICEditorContext::FindSceneObject(FString SceneObjectName) const {
+	for (UObject* Object : Scene->GetSceneObjects()) {
+		if (Cast<IFICSceneObject>(Object)->GetSceneObjectName() == SceneObjectName) {
+			return Object;
+		}
+	}
+	return nullptr;
+}
+
 AFICScene* UFICEditorContext::GetScene() const {
 	return Scene;
 }
diff --git a/Source/FicsItCam/Private/Editor/UI/FICEditor.cpp b/Source/FicsItCam/Private/Editor/UI/FICEditor.cpp
index 69b4ff5..cbb2b6c 100644
--- a/Source/FicsItCam/Private/Editor/UI/FICEditor.cpp
+++ b/Source/FicsItCam/Private/Editor/UI/FICEditor.cpp
@@ -145,6 +145,7 @@ FMenuBarBuilder SFICEditor::CreateMenuBar() {
 	FMenuBarBuilder MenuBarBuilder(nullptr);
 	MenuBarBuilder.AddMenuEntry(LOCTEXT("Exit", "Exit"), LOCTEXT("ExitTT", "Closes and Exits the Editor"), FSlateIcon(), FExecuteAction::CreateLambda([this]() {
 		TabManager->SavePersistentLayout();
+		FSlateApplication::Get().ClearAllUserFocus();
 		AFICEditorSubsystem::GetFICEditorSubsystem(Context->GetScene()->GetWorld())->CloseEditor();
 	}));
 	MenuBarBuilder.AddPullDownMenu(LOCTEXT("View", "View"), LOCTEXT("ViewTT", "Views, Panels & Windows"), FNewMenuDelegate::CreateLambda([this](FMenuBuilder& MenuBuilder) {
diff --git a/Source/FicsItCam/Private/Editor/UI/FICSceneObjectOutliner.cpp b/Source/FicsItCam/Private/Editor/UI/FICSceneObjectOutliner.cpp
index f5107f8..d38748b 100644
--- a/Source/FicsItCam/Private/Editor/UI/FICSceneObjectOutliner.cpp
+++ b/Source/FicsItCam/Private/Editor/UI/FICSceneObjectOutliner.cpp
@@ -119,6 +119,7 @@ void SFICSceneObjectOutliner::Construct(const FArguments& InArgs, UFICEditorCont
 				if (Event.GetKey() == EKeys::Delete) {
 					TArray<TSharedPtr<FFICSceneObjectReference>> Selected;
 					if (SceneObjectListWidget->GetSelectedItems(Selected) > 0) {
+						Context->ChangeList.PushChange(MakeShared<FFICChange_RemoveSceneObject>(Context, Selected[0]->SceneObject));
 						Context->RemoveSceneObject(Selected[0]->SceneObject);
 					}
 					return FReply::Handled();
diff --git a/Source/FicsItCam/Private/Editor/UI/FICTimeline.cpp b/Source/FicsItCam/Private/Editor/UI/FICTimeline.cpp
index b08bce9..a1d264a 100644
--- a/Source/FicsItCam/Private/Editor/UI/FICTimeline.cpp
+++ b/Source/FicsItCam/Private/Editor/UI/FICTimeline.cpp
@@ -65,7 +65,7 @@ void SFICTimelinePanel::Construct(const FArguments& InArgs, UFICEditorContext* I
 	                    })
 	                    .MinValue(TNumericLimits<int64>::Min())
 	                    .OnValueCommitted_Lambda([this](int64 Value, ETextCommit::Type) {
-	                        Context->GetScene()->AnimationRange.Begin = Value;
+	                        Context->GetScene()->AnimationRange.SetBegin_Clamped(Value);
 	                    })
 	                ]
 	            ]
@@ -305,7 +305,7 @@ void SFICTimelinePanel::Construct(const FArguments& InArgs, UFICEditorContext* I
 	                    })
 	                    .MaxValue(TNumericLimits<int64>::Max())
 	                    .OnValueCommitted_Lambda([this](int64 Value, ETextCommit::Type) {
-	                        Context->GetScene()->AnimationRange.End = FMath::Clamp(Value, Context->GetScene()->AnimationRange.Begin+1, TNumericLimits<int64>::Max());
+	                        Context->GetScene()->AnimationRange.SetEnd_Clamped(Value);
 	                    })
 	                ]
 	            ]
diff --git a/Source/FicsItCam/Public/Data/FICTypes.h b/Source/FicsItCam/Public/Data/FICTypes.h
index 4cc3ea4..97f44c9 100644
--- a/Source/FicsItCam/Public/Data/FICTypes.h
+++ b/Source/FicsItCam/Public/Data/FICTypes.h
@@ -83,6 +83,14 @@ struct FFICFrameRange {
 		return FFICFrameRange(Begin - Frame, End - Frame);
 	}
 
+	void SetBegin_Clamped(FICFrame InBegin, bool bInclusive = false) {
+		Begin = FMath::Min(InBegin, End - (bInclusive ? 0 : 1));
+	}
+
+	void SetEnd_Clamped(FICFrame InEnd, bool bInclusive = false) {
+		End = FMath::Max(InEnd, Begin + (bInclusive ? 0 : 1));
+	}
+
 	FFICFrameRangeIterator begin() const {
 		return FFICFrameRangeIterator(Begin);
 	}
diff --git a/Source/FicsItCam/Public/Editor/FICChangeList.h b/Source/FicsItCam/Public/Editor/FICChangeList.h
index 1dc24b2..4443aca 100644
--- a/Source/FicsItCam/Public/Editor/FICChangeList.h
+++ b/Source/FicsItCam/Public/Editor/FICChangeList.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "Data/Attributes/FICAttribute.h"
+#include "Data/Objects/FICSceneObject.h"
 
 class FFICChangeList;
 
@@ -95,10 +96,10 @@ struct FFICChange_Attribute : public FFICChange {
 struct FFICChange_AddSceneObject : public FFICChange {
 	UFICEditorContext* Context;
 	UClass* SceneObjectClass;
-	UObject* SceneObject;
+	FString SceneObjectName;
 	TSharedPtr<FFICAttribute> Snapshot;
 
-	FFICChange_AddSceneObject(UFICEditorContext* InContext, UObject* InSceneObject) : Context(InContext), SceneObjectClass(InSceneObject->GetClass()), SceneObject(InSceneObject) {}
+	FFICChange_AddSceneObject(UFICEditorContext* InContext, UObject* InSceneObject) : Context(InContext), SceneObjectClass(InSceneObject->GetClass()), SceneObjectName(Cast<IFICSceneObject>(InSceneObject)->GetSceneObjectName()) {}
 
 	virtual void RedoChange() override;
 	virtual void UndoChange() override;
@@ -110,7 +111,7 @@ struct FFICChange_AddSceneObject : public FFICChange {
 
 struct FFICChange_RemoveSceneObject : public FFICChange {
 	UFICEditorContext* Context;
-	UObject* SceneObject = nullptr;
+	FString SceneObjectName = "";
 	UClass* SceneObjectClass;
 	TSharedPtr<FFICAttribute> Snapshot;
 
diff --git a/Source/FicsItCam/Public/Editor/FICEditorContext.h b/Source/FicsItCam/Public/Editor/FICEditorContext.h
index bc2ace2..171a3b5 100644
--- a/Source/FicsItCam/Public/Editor/FICEditorContext.h
+++ b/Source/FicsItCam/Public/Editor/FICEditorContext.h
@@ -94,6 +94,7 @@ class UFICEditorContext : public UObject, public FTickableGameObject {
 	void AddSceneObject(UObject* SceneObject);
 	void RemoveSceneObject(UObject* SceneObject);
 	void MoveSceneObject(UObject* SceneObject, int Delta);
+	UObject* FindSceneObject(FString SceneObjectName) const;
 	
 	AFICScene* GetScene() const;
 	UFICCamera* GetCamera();