From 7128d131ea1f402cc2085a74de5c855289e51a21 Mon Sep 17 00:00:00 2001
From: Michele Spagnolo <spagnolo.michele.1994@gmail.com>
Date: Mon, 13 Mar 2023 13:40:55 +0100
Subject: [PATCH] Fix crash on transpose of specific 3.6 score

---
 src/engraving/libmscore/edit.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engraving/libmscore/edit.cpp b/src/engraving/libmscore/edit.cpp
index 4ac0b73bec1e..16a73bc6ae52 100644
--- a/src/engraving/libmscore/edit.cpp
+++ b/src/engraving/libmscore/edit.cpp
@@ -4697,7 +4697,7 @@ void Score::updateInstrumentChangeTranspositions(KeySigEvent& key, Staff* staff,
                     e.setKey(nkey);
                 }
                 KeySig* keySig = nullptr;
-                EngravingItem* keySigElem = s->element(track);
+                EngravingItem* keySigElem = s ? s->element(track) : nullptr;
                 if (keySigElem && keySigElem->isKeySig()) {
                     keySig = toKeySig(keySigElem);
                 }