in item's update page name, if item name is null, create page name with only the name
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index 85069ef..6a0f200 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -223,7 +223,7 @@
 		import website.utils
 		
 		# if same name, do not repeat twice
-		if self.doc.name == self.doc.item_name:
+		if self.doc.name == self.doc.item_name or not self.doc.item_name:
 			page_name = self.doc.name
 		else:
 			page_name = self.doc.name + " " + self.doc.item_name