From 47fd57113eabf8f63fc1d59d4f9124db781ea57f Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <dismine@gmail.com>
Date: Thu, 14 Mar 2024 10:12:14 +0200
Subject: [PATCH] Fix Tape crash.

---
 src/app/tape/tmainwindow.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/app/tape/tmainwindow.cpp b/src/app/tape/tmainwindow.cpp
index 94a012f97..9c61d7e7a 100644
--- a/src/app/tape/tmainwindow.cpp
+++ b/src/app/tape/tmainwindow.cpp
@@ -4780,6 +4780,11 @@ void TMainWindow::InitKnownMeasurements(QComboBox *combo)
     SCASSERT(combo != nullptr)
     combo->addItem(tr("None"), QUuid());
 
+    if (m_m == nullptr)
+    {
+        return;
+    }
+
     QUuid const kmId = m_m->KnownMeasurements();
     if (!kmId.isNull() && !known.contains(kmId))
     {