From f7b4cf907bdae3e98d6f2cfb07e6345c837bf4de Mon Sep 17 00:00:00 2001
From: windingwind <33902321+windingwind@users.noreply.github.com>
Date: Fri, 3 Jan 2025 06:48:31 +0100
Subject: [PATCH] Fix export error of item.tags being undefined (#4962)

Item generated from embedded image attachment may not have attribute `tags`.
---
 chrome/content/zotero/xpcom/utilities_internal.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/chrome/content/zotero/xpcom/utilities_internal.js b/chrome/content/zotero/xpcom/utilities_internal.js
index 5291ce7d58..86c12b4f9a 100644
--- a/chrome/content/zotero/xpcom/utilities_internal.js
+++ b/chrome/content/zotero/xpcom/utilities_internal.js
@@ -938,11 +938,13 @@ Zotero.Utilities.Internal = {
 			}
 
 			// Tags
-			for (let i = 0; i < item.tags.length; i++) {
-				if (!item.tags[i].type) {
-					item.tags[i].type = 0;
+			if (item.tags) {
+				for (let i = 0; i < item.tags.length; i++) {
+					if (!item.tags[i].type) {
+						item.tags[i].type = 0;
+					}
+					// No translator ever used "primary", "fields", or "linkedItems" objects
 				}
-				// No translator ever used "primary", "fields", or "linkedItems" objects
 			}
 
 			// "related" was never used (array of itemIDs)