Level 4

Source/Lost_Edge/Private/DialogueManager.cpp

@@ -223,10 +223,13 @@ void UDialogueManager::LockCallback(bool lock)
 
 void UDialogueManager::BeginDestroy()
 {
-    _timersLock.Lock();
-    for(auto& timer : _timers)
-        GetWorld()->GetTimerManager().ClearTimer(timer);
-    _timersLock.Unlock();
+    if(auto world = GetWorld())
+    {
+        _timersLock.Lock();
+        for(auto& timer : _timers)
+            world->GetTimerManager().ClearTimer(timer);
+        _timersLock.Unlock();
+    }
 
     UObject::BeginDestroy();
 }

Source/Lost_Edge/Private/Levels/Level4.cpp

@@ -16,5 +16,5 @@ void ALevel4::BeginPlay()
 {
     ALevelBase::BeginPlay();
 
-    CallNextState();
+    //CallNextState();
 }

Source/Lost_Edge/Private/QuestManager.cpp

@@ -13,13 +13,20 @@ void AQuestManager::BeginPlay()
 {
     if(auto gamemode_base = UGameplayStatics::GetGameMode(GetWorld()))
     {
-        if(auto gamemode = Cast<AMainGameModeBase>(gamemode_base))
+        gamemode = Cast<AMainGameModeBase>(gamemode_base);
+        if(gamemode)
         {
             gamemode->questsUpdateDelegate.AddDynamic(this, &AQuestManager::Update);
         }
     }
 }
 
+void AQuestManager::EndPlay(const EEndPlayReason::Type EndPlayReason)
+{
+    if(gamemode)
+        gamemode->questsUpdateDelegate.RemoveDynamic(this, &AQuestManager::Update);
+}
+
 void AQuestManager::Update(TArray<FText> quests)
 {
     if(auto WM = AMainGameModeBase::GetWidgetsManager())

Source/Lost_Edge/Private/QuestManager.h

@@ -16,8 +16,11 @@ public:
 
 protected:
     virtual void BeginPlay() override;
+    virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
 
     UFUNCTION()
     void Update(TArray<FText> quests);
 
+    class AMainGameModeBase* gamemode = nullptr;
+
 };

Source/Lost_Edge/Private/Widgets/WidgetsManager.h

@@ -88,4 +88,6 @@ protected:
     UPROPERTY(EditDefaultsOnly)
     TSubclassOf<class UJournalWidget> journalWidgetClass; // hidden in pause, cutscene
     class UJournalWidget* journalWidget = nullptr;
+
+    bool initialized = false;
 };