From 8034c3bdd2f6fb295011b20cae696074b197f56e Mon Sep 17 00:00:00 2001
From: Sergey Luzyanin <Sergey.Luzyanin@onlyoffice.com>
Date: Mon, 13 Oct 2025 17:59:21 +0300
Subject: [PATCH] [bug] fix bug 77585

---
 word/Editor/Run.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/word/Editor/Run.js b/word/Editor/Run.js
index c5b0d0699e..edbdbbdc49 100644
--- a/word/Editor/Run.js
+++ b/word/Editor/Run.js
@@ -4861,7 +4861,7 @@ ParaRun.prototype.Recalculate_Range = function(PRS, ParaPr, Depth)
 							}
 							isVisualFieldChar = true;
 						}
-						else if (oComplexField.IsFormCheckBox())
+						else if (oComplexField && oComplexField.IsFormCheckBox())
 						{
 							isVisualFieldChar = true;
 							Item.SetFormCheckBox(true);