From c89b40ec3e5519368b5acbb19eaa0dbcc86adb63 Mon Sep 17 00:00:00 2001
From: John Maxwell <maxwellparc@gmail.com>
Date: Mon, 23 Feb 2026 08:40:25 -0800
Subject: [PATCH] Fix LT-22327: Yellow box error pasting a long entry in gloss
 field

---
 Src/Common/SimpleRootSite/SimpleRootSite.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Src/Common/SimpleRootSite/SimpleRootSite.cs b/Src/Common/SimpleRootSite/SimpleRootSite.cs
index 4a5adbfeaf..e4a2599848 100644
--- a/Src/Common/SimpleRootSite/SimpleRootSite.cs
+++ b/Src/Common/SimpleRootSite/SimpleRootSite.cs
@@ -1046,7 +1046,7 @@ private void RefreshIfNecessary(object sender, EventArgs e)
 			if (Visible)
 			{
 #pragma warning disable 618 // suppress obsolete warning
-				m_mediator.PostMessage("MasterRefresh", null);
+				m_mediator?.PostMessage("MasterRefresh", null);
 #pragma warning restore 618
 			}
 		}