From 83ac0e7ab2e068e0e0894f6d96a08026fe9df13f Mon Sep 17 00:00:00 2001
From: Yinan Zhou <yinan.a.zhou@gmail.com>
Date: Mon, 14 Aug 2023 16:56:28 -0400
Subject: [PATCH] Break when last element

---
 src/editortoolkit_neume.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/editortoolkit_neume.cpp b/src/editortoolkit_neume.cpp
index 9e35505ccd3..270ac94a86a 100644
--- a/src/editortoolkit_neume.cpp
+++ b/src/editortoolkit_neume.cpp
@@ -2811,6 +2811,7 @@ bool EditorToolkitNeume::Ungroup(std::string groupType, std::vector<std::string>
                 fparent->ReorderByXPos();
                 uuidArray << (*it);
                 it = elementIds.erase(it);
+                if (it == elementIds.end()) break;
                 el = m_doc->GetDrawingPage()->FindDescendantByID(*it);
             }
         }