diff --git a/erpnext/setup/doctype/item_group/item_group.py b/erpnext/setup/doctype/item_group/item_group.py
index 2f7adb2..230b740 100644
--- a/erpnext/setup/doctype/item_group/item_group.py
+++ b/erpnext/setup/doctype/item_group/item_group.py
@@ -156,6 +156,8 @@
 
 
 def get_parent_item_groups(item_group_name):
+	if not item_group_name:
+		return [{"name": frappe._("Home"), "route":"/"}]
 	item_group = frappe.get_doc("Item Group", item_group_name)
 	return 	[{"name": frappe._("Home"), "route":"/"}]+\
 		frappe.db.sql("""select name, route from `tabItem Group`