diff --git a/bt/bt_instance.h b/bt/bt_instance.h
index d68c92a..83dbf78 100644
--- a/bt/bt_instance.h
+++ b/bt/bt_instance.h
@@ -18,7 +18,7 @@ class BTInstance : public RefCounted {
 
 private:
 	Ref<BTTask> root_task;
-	uint64_t owner_node_id;
+	uint64_t owner_node_id = 0;
 	String source_bt_path;
 	BT::Status last_status = BT::FRESH;
 
@@ -39,7 +39,7 @@ protected:
 
 public:
 	_FORCE_INLINE_ Ref<BTTask> get_root_task() const { return root_task; }
-	_FORCE_INLINE_ Node *get_owner_node() const { return Object::cast_to<Node>(OBJECT_DB_GET_INSTANCE(owner_node_id)); }
+	_FORCE_INLINE_ Node *get_owner_node() const { return owner_node_id ? Object::cast_to<Node>(OBJECT_DB_GET_INSTANCE(owner_node_id)) : nullptr; }
 	_FORCE_INLINE_ BT::Status get_last_status() const { return last_status; }
 	_FORCE_INLINE_ bool is_instance_valid() const { return root_task.is_valid(); }
 	_FORCE_INLINE_ String get_source_bt_path() const { return source_bt_path; }
diff --git a/editor/debugger/behavior_tree_data.h b/editor/debugger/behavior_tree_data.h
index e909757..8391250 100644
--- a/editor/debugger/behavior_tree_data.h
+++ b/editor/debugger/behavior_tree_data.h
@@ -47,7 +47,7 @@ public:
 	};
 
 	List<TaskData> tasks;
-	uint64_t bt_instance_id;
+	uint64_t bt_instance_id = 0;
 	NodePath node_owner_path;
 	String source_bt_path;
 
diff --git a/editor/debugger/limbo_debugger.cpp b/editor/debugger/limbo_debugger.cpp
index 4f3fc11..e4abe35 100644
--- a/editor/debugger/limbo_debugger.cpp
+++ b/editor/debugger/limbo_debugger.cpp
@@ -132,6 +132,7 @@ bool LimboDebugger::is_active() const {
 }
 
 void LimboDebugger::_track_tree(uint64_t p_instance_id) {
+	ERR_FAIL_COND(p_instance_id == 0);
 	ERR_FAIL_COND(!active_bt_instances.has(p_instance_id));
 
 	_untrack_tree();
diff --git a/editor/debugger/limbo_debugger.h b/editor/debugger/limbo_debugger.h
index 9b8e446..9149026 100644
--- a/editor/debugger/limbo_debugger.h
+++ b/editor/debugger/limbo_debugger.h
@@ -49,7 +49,7 @@ protected:
 #ifdef DEBUG_ENABLED
 private:
 	HashSet<uint64_t> active_bt_instances;
-	uint64_t tracked_instance_id;
+	uint64_t tracked_instance_id = 0;
 	bool session_active = false;
 
 	void _track_tree(uint64_t p_instance_id);
diff --git a/editor/debugger/limbo_debugger_plugin.h b/editor/debugger/limbo_debugger_plugin.h
index 0da1567..8ef3db9 100644
--- a/editor/debugger/limbo_debugger_plugin.h
+++ b/editor/debugger/limbo_debugger_plugin.h
@@ -52,7 +52,7 @@ class LimboDebuggerTab : public PanelContainer {
 
 private:
 	struct BTInstanceInfo {
-		uint64_t instance_id;
+		uint64_t instance_id = 0;
 		String owner_node_path;
 	};