make item code read-only after saving
diff --git a/erpnext/stock/doctype/item/item.js b/erpnext/stock/doctype/item/item.js
index 0a255d1..96c0339 100644
--- a/erpnext/stock/doctype/item/item.js
+++ b/erpnext/stock/doctype/item/item.js
@@ -18,6 +18,10 @@
// make sensitive fields(has_serial_no, is_stock_item, valuation_method)
// read only if any stock ledger entry exists
+ if (!doc.__islocal) {
+ set_field_permlevel("item_code", 1);
+ }
+
if ((!doc.__islocal) && (doc.is_stock_item == 'Yes')) {
var callback = function(r, rt) {
if (r.message == 'exists') permlevel = 1;