diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index f6d47dd..02fdf2c 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -471,7 +471,7 @@
 					max_allowed_amt = flt(ref_amt * (100 + tolerance) / 100)
 
 					if total_billed_amt - max_allowed_amt > 0.01:
-						frappe.throw(_("Cannot overbill for Item {0} in row {0} more than {1}. To allow overbilling, please set in Stock Settings").format(item.item_code, item.idx, max_allowed_amt))
+						frappe.throw(_("Cannot overbill for Item {0} in row {1} more than {2}. To allow overbilling, please set in Stock Settings").format(item.item_code, item.idx, max_allowed_amt))
 
 	def get_company_default(self, fieldname):
 		from erpnext.accounts.utils import get_company_default