=== modified file 'mrp/mrp.py'
--- mrp/mrp.py	2010-09-14 11:52:06 +0000
+++ mrp/mrp.py	2010-11-19 11:26:11 +0000
@@ -513,7 +513,7 @@
                             (res.id, move.id))
 #                move_ids.append(res.id)
             vals= {'state':'confirmed'}
-            new_moves = [x.id for x in production.move_created_ids]
+            new_moves = [x.id for x in production.move_created_ids if x.state not in ['done','cancel']]
             self.pool.get('stock.move').write(cr, uid, new_moves, vals)
             if not production.date_finnished:
                 self.write(cr, uid, [production.id],

=== modified file 'stock/stock.py'
--- stock/stock.py	2010-10-12 20:26:33 +0000
+++ stock/stock.py	2010-11-19 11:36:06 +0000
@@ -1341,6 +1341,8 @@
             #
             # Accounting Entries
             #
+            if move.state in ['done','cancel']:
+                 continue
             acc_src = None
             acc_dest = None
             if move.location_id.account_id: