Update sales_invoice.js
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index 04adc6b..36d8fdd 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -39,7 +39,6 @@
 	refresh: function(doc, dt, dn) {
 		this._super();
 
-		cur_frm.cscript.is_opening(doc, dt, dn);
 		cur_frm.dashboard.reset();
 
 		if(doc.docstatus==1) {