diff --git a/controllers/accounts_controller.py b/controllers/accounts_controller.py
index f73d16a1678..822717b3723 100644
--- a/controllers/accounts_controller.py
+++ b/controllers/accounts_controller.py
@@ -20,7 +20,7 @@ from webnotes import _, msgprint
 from webnotes.utils import flt, cint, today, cstr
 from setup.utils import get_company_currency, get_price_list_currency
 from accounts.utils import get_fiscal_year, validate_fiscal_year
-from utilities.transaction_base import TransactionBase, validate_conversion_rate, validate_uom_is_integer
+from utilities.transaction_base import TransactionBase, validate_conversion_rate
 import json
 
 class AccountsController(TransactionBase):
@@ -55,15 +55,15 @@ class AccountsController(TransactionBase):
 					label=self.meta.get_label(date_field))
 					
 	def validate_for_freezed_account(self):
-		for fld in ["customer", "supplier"]:
-			if self.meta.get_field(fld):
-				accounts = webnotes.conn.get_values("Account", {"master_type": fld.upper(), 
-					"master_name": self.doc.fields[fld], "company": self.doc.company}, 
+		for fieldname in ["customer", "supplier"]:
+			if self.meta.get_field(fieldname) and self.doc.fields.get(fieldname):
+				accounts = webnotes.conn.get_values("Account", {"master_type": fieldname.title(), 
+					"master_name": self.doc.fields[fieldname], "company": self.doc.company}, 
 					"freeze_account", as_dict=1)
 				
 				if accounts:
 					if not filter(lambda x: cstr(x.freeze_account) in ["", "No"], accounts):
-						msgprint(_("Account for this ") + fld + _(" has been freezed. ") + 
+						msgprint(_("Account for this ") + fieldname + _(" has been freezed. ") + 
 							self.doc.doctype + _(" can not be made."), raise_exception=1)
 			
 	def set_price_list_currency(self, buying_or_selling):
diff --git a/hr/doctype/grade/grade.txt b/hr/doctype/grade/grade.txt
index 0050ed928d2..fdfa5c737c5 100644
--- a/hr/doctype/grade/grade.txt
+++ b/hr/doctype/grade/grade.txt
@@ -2,7 +2,7 @@
  {
   "creation": "2013-01-10 16:34:14", 
   "docstatus": 0, 
-  "modified": "2013-07-22 15:27:26", 
+  "modified": "2013-07-26 15:24:31", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -16,11 +16,17 @@
  }, 
  {
   "doctype": "DocField", 
+  "fieldname": "grade_name", 
+  "fieldtype": "Data", 
+  "label": "Grade", 
   "name": "__common__", 
+  "oldfieldname": "grade_name", 
+  "oldfieldtype": "Data", 
   "parent": "Grade", 
   "parentfield": "fields", 
   "parenttype": "DocType", 
-  "permlevel": 0
+  "permlevel": 0, 
+  "reqd": 1
  }, 
  {
   "cancel": 1, 
@@ -42,22 +48,7 @@
   "name": "Grade"
  }, 
  {
-  "doctype": "DocField", 
-  "fieldname": "trash_reason", 
-  "fieldtype": "Small Text", 
-  "label": "Trash Reason", 
-  "oldfieldname": "trash_reason", 
-  "oldfieldtype": "Small Text", 
-  "read_only": 1
- }, 
- {
-  "doctype": "DocField", 
-  "fieldname": "grade_name", 
-  "fieldtype": "Data", 
-  "label": "Grade", 
-  "oldfieldname": "grade_name", 
-  "oldfieldtype": "Data", 
-  "reqd": 1
+  "doctype": "DocField"
  }, 
  {
   "doctype": "DocPerm"