From 7e4722f07a81fadc419738d2c2a55a090a830f8c Mon Sep 17 00:00:00 2001
From: "jeremy@jermolene.com" <jeremy@jermolene.com>
Date: Wed, 25 May 2022 18:08:08 +0100
Subject: [PATCH] Fix crash with missing palette tiddler

---
 core/modules/editor/engines/framed.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/editor/engines/framed.js b/core/modules/editor/engines/framed.js
index 6cc50896f..957a9156e 100644
--- a/core/modules/editor/engines/framed.js
+++ b/core/modules/editor/engines/framed.js
@@ -35,7 +35,7 @@ function FramedEngine(options) {
 	this.iframeDoc = this.iframeNode.contentWindow.document;
 	// (Firefox requires us to put some empty content in the iframe)
 	var paletteTitle = this.widget.wiki.getTiddlerText("$:/palette");
-	var colorScheme = this.widget.wiki.getTiddler(paletteTitle).fields["color-scheme"] || "light";
+	var colorScheme = (this.widget.wiki.getTiddler(paletteTitle) || {fields: {}}).fields["color-scheme"] || "light";
 	this.iframeDoc.open();
 	this.iframeDoc.write("<meta name='color-scheme' content='" + colorScheme + "'>");
 	this.iframeDoc.close();