diff --git a/modules/purchase_trade/fee.py b/modules/purchase_trade/fee.py
index 2e52293..d8083f9 100755
--- a/modules/purchase_trade/fee.py
+++ b/modules/purchase_trade/fee.py
@@ -102,14 +102,14 @@ class Fee(ModelSQL,ModelView):
         Date = Pool().get('ir.date')
         return Date.today()
     
-    # @classmethod
-    # def default_qt_state(cls):
-    #     LotQtType = Pool().get('lot.qt.type')
-    #     lqt = LotQtType.search([('name','=','BL')])
-    #     if lqt:
-    #         return lqt[0].id 
+    @classmethod
+    def default_qt_state(cls):
+        LotQtType = Pool().get('lot.qt.type')
+        lqt = LotQtType.search([('name','=','BL')])
+        if lqt:
+            return lqt[0].id 
     
-    @fields.depends('price','unit','auto_calculation','mode','_parent_line.unit','_parent_line.lots','_parent_sale_line.unit','_parent_sale_line.lots','_parent_shipment_in.id')
+    @fields.depends('price','unit','auto_calculation','mode','_parent_line.unit','_parent_line.lots','_parent_sale_line.unit','_parent_sale_line.lots','_parent_shipment_in')
     def on_change_with_quantity(self, name=None):
         qt = None
         unit = None
@@ -122,7 +122,6 @@ class Fee(ModelSQL,ModelView):
                 qt = sum([e.get_current_quantity() for e in line.lots])
                 unit = line.lots[0].lot_unit_line
                 logger.info("ON_CHANGE_WITH_QT0:%s",qt)
-        logger.info("ON_CHANGE_WITH_SHIPMENT_IN:%s",self.shipment_in)
         if self.shipment_in:
             Lot = Pool().get('lot.lot')
             lots = Lot.search([('lot_shipment_in','=',self.shipment_in.id)])
@@ -133,11 +132,12 @@ class Fee(ModelSQL,ModelView):
         if not qt:
             logger.info("ON_CHANGE_WITH_QT1:%s",qt)
             LotQt = Pool().get('lot.qt')
-            lqts = LotQt.search(['lot_shipment_in','=',self.shipment_in.id])
-            if lqts:
-                qt = Decimal(lqts[0].lot_quantity)
-                unit = lqts[0].lot_unit
-                logger.info("ON_CHANGE_WITH_QT2:%s",qt)
+            if self.shipment_in:
+                lqts = LotQt.search(['lot_shipment_in','=',self.shipment_in.id])
+                if lqts:
+                    qt = Decimal(lqts[0].lot_quantity)
+                    unit = lqts[0].lot_unit
+                    logger.info("ON_CHANGE_WITH_QT2:%s",qt)
         if self.mode != 'ppack':
             return qt
         else: