From 7ba742779e4b7cdd4f39cfd907ba69ad7c7861dd Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Sun, 31 May 2009 03:26:23 +0000
Subject: [PATCH] Fix "not a valid field for type" sync (conflict) errors

---
 chrome/content/zotero/xpcom/data/item.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index e49409ea84..69b338d85a 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -3406,7 +3406,7 @@ Zotero.Item.prototype.clone = function(includePrimary, newItem) {
 	if (newItem) {
 		var previousFields = this.getUsedFields(true);
 		for each(var field in previousFields) {
-			if (!changedFields[field]) {
+			if (!changedFields[field] && Zotero.ItemFields.isValidForType(field, itemTypeID)) {
 				newItem.setField(field, false);
 			}
 		}