From c8b0f75ea1b7af99c4180a6ccede832929da88f2 Mon Sep 17 00:00:00 2001
From: srisri332 <srisrireddy.k@gmail.com>
Date: Mon, 18 Dec 2023 09:58:21 +0530
Subject: [PATCH] MM-52722: Fixed error when accessing property on undefined

---
 .../src/components/live-markdown-plugin/liveMarkdownPlugin.ts   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webapp/src/components/live-markdown-plugin/liveMarkdownPlugin.ts b/webapp/src/components/live-markdown-plugin/liveMarkdownPlugin.ts
index afcb2bd02..42b03a899 100644
--- a/webapp/src/components/live-markdown-plugin/liveMarkdownPlugin.ts
+++ b/webapp/src/components/live-markdown-plugin/liveMarkdownPlugin.ts
@@ -180,7 +180,7 @@ const maintainInlineStyles = (
 
     // If enter was pressed (or the block was otherwise split) we must maintain
     // styles in the previous block as well
-    if (lastChangeType === 'split-block') {
+    if (lastChangeType === 'split-block' && contentState.getBlockBefore(blockKey) !== undefined) {
         const newPrevBlock = mapInlineStyles(
             contentState.getBlockBefore(blockKey)!,
             inlineStyleStrategies,