From 2721db5ddd9ad3e9598c978229f64b759d813ed4 Mon Sep 17 00:00:00 2001
From: Maiko <maikotattun@yahoo.co.jp>
Date: Thu, 18 Jun 2026 22:57:13 +0900
Subject: [PATCH] Fix out of index when closing project and create new one

---
 OpenUtau/ViewModels/NotePropertiesViewModel.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/OpenUtau/ViewModels/NotePropertiesViewModel.cs b/OpenUtau/ViewModels/NotePropertiesViewModel.cs
index fc8749bc4..f50b19ab1 100644
--- a/OpenUtau/ViewModels/NotePropertiesViewModel.cs
+++ b/OpenUtau/ViewModels/NotePropertiesViewModel.cs
@@ -43,9 +43,9 @@ public string PhonemizerOverrideText {
                 string? targetId = PhonemizerOverride;
                 bool isDefault = string.IsNullOrEmpty(targetId);
                 if (isDefault) {
-                    if (Part == null) return "Default";
+                    if (Part == null || Part.trackNo >= DocManager.Inst.Project.tracks.Count) return "Default";
                     var track = DocManager.Inst.Project.tracks[Part.trackNo];
-                    string trackId = track.Phonemizer.GetType().FullName ?? "";
+                    string trackId = track.Phonemizer.GetType().FullName ?? string.Empty;
                     return $"Default ({GetPhonemizerDisplayName(trackId)})";
                 }
                 var factory = OpenUtau.Api.PhonemizerFactory.GetAll().FirstOrDefault(f =>