diff --git a/chrome/content/zotero/xpcom/data_access.js b/chrome/content/zotero/xpcom/data_access.js
index 6a8faf9bb..6cc50f064 100644
--- a/chrome/content/zotero/xpcom/data_access.js
+++ b/chrome/content/zotero/xpcom/data_access.js
@@ -574,7 +574,7 @@ Zotero.Item.prototype.setField = function(field, value, loadIn){
 	}
 	
 	if (!Zotero.ItemFields.isValidForType(fieldID, this.getType())){
-		throw ('"' + field + "' is not a valid field for this type.");
+		throw ('"' + field + "' is not a valid field for type " + this.getType());
 	}
 	
 	if (!loadIn){
diff --git a/chrome/content/zotero/xpcom/itemTreeView.js b/chrome/content/zotero/xpcom/itemTreeView.js
index f099e12ad..bd589bbeb 100644
--- a/chrome/content/zotero/xpcom/itemTreeView.js
+++ b/chrome/content/zotero/xpcom/itemTreeView.js
@@ -139,6 +139,9 @@ Zotero.ItemTreeView.prototype.refresh = function()
 	// Cache the visible fields so they don't load individually
 	var visibleFields = this.getVisibleFields();
 	for each(var field in visibleFields) {
+		if (field == 'year') {
+			field = 'date';
+		}
 		if (cacheFields.indexOf(field) == -1) {
 			cacheFields = cacheFields.concat(field);
 		}
diff --git a/chrome/content/zotero/xpcom/report.js b/chrome/content/zotero/xpcom/report.js
index 3be0b58e5..368a7ab82 100644
--- a/chrome/content/zotero/xpcom/report.js
+++ b/chrome/content/zotero/xpcom/report.js
@@ -129,7 +129,7 @@ Zotero.Report = new function() {
 					continue;
 				}
 				
-				// Convert false to empty string
+				// Skip empty fields
 				if (!arr[i]) {
 					continue;
 				}