From 87631903282bc4d72cf6791b1a83a518ffdaf77e Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Mon, 21 Mar 2022 22:01:55 -0400
Subject: [PATCH] Fix "cleanDOI: argument must be a string" startup error

Due to 0 integer value for DOI from somewhere (a plugin?)

https://forums.zotero.org/discussion/comment/402388/#Comment_402388
https://forums.zotero.org/discussion/comment/402391/#Comment_402391
---
 chrome/content/zotero/xpcom/retractions.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chrome/content/zotero/xpcom/retractions.js b/chrome/content/zotero/xpcom/retractions.js
index 0f714c5219..ac7b9282c9 100644
--- a/chrome/content/zotero/xpcom/retractions.js
+++ b/chrome/content/zotero/xpcom/retractions.js
@@ -770,7 +770,7 @@ Zotero.Retractions = {
 		for (let row of rows) {
 			// DOI field
 			if (row.fieldID == doiFieldID) {
-				let value = Zotero.Utilities.cleanDOI(row.value);
+				let value = Zotero.Utilities.cleanDOI(row.value + '');
 				if (value) {
 					this._addItemKeyMapping(this.TYPE_DOI, value, row.id);
 				}