fixed #1454

erpnext/selling/page/sales_browser/sales_browser.js

@@ -144,9 +144,14 @@ erpnext.SalesChart = Class.extend({
 			return frappe.call({
 				method: 'erpnext.selling.page.sales_browser.sales_browser.add_node',
 				args: v,
-				callback: function() {
-					d.hide();
-					node.reload();
+				callback: function(r) {
+					if(!r.exc) {
+						d.hide();
+						node.reload();
+						if(!node.expanded) {
+							node.toggle_node();
+						}
+					}
 				}	
 			})			
 		});

erpnext/support/doctype/maintenance_schedule/maintenance_schedule.py

@@ -81,7 +81,7 @@ class DocType(TransactionBase):
 						"event_type": "Private",
 						"ref_type": self.doc.doctype,
 						"ref_name": self.doc.name
-					}).insert()
+					}).insert(ignore_permissions=1)
 
 		frappe.db.set(self.doc, 'status', 'Submitted')