diff --git a/modules/automation/cron.py b/modules/automation/cron.py
index 939edc1..079da63 100644
--- a/modules/automation/cron.py
+++ b/modules/automation/cron.py
@@ -223,6 +223,13 @@ class AutomationCron(ModelSQL, ModelView):
             value = str(value or '').strip()
             if value.lower() in {'none', 'null'}:
                 return ''
+            if value.upper() in {
+                    'MULTIPLE BL NUMBERS FOUND',
+                    'MULTIPLE B/L NUMBERS FOUND',
+                    'NO BL NUMBER FOUND',
+                    'NO B/L NUMBER FOUND',
+            }:
+                return ''
             return value
 
         def normalize_booking_number(value):
@@ -234,6 +241,8 @@ class AutomationCron(ModelSQL, ModelView):
         def sync_shipment_from_booking(shipment, bl_number, bl_date, etd_date,
                 controller):
             changed = False
+            columns = []
+            values = []
             booking_bl_number = normalize_bl_number(bl_number)
             shipment_bl_number = normalize_bl_number(shipment.bl_number)
             if booking_bl_number and booking_bl_number != shipment_bl_number:
@@ -243,6 +252,8 @@ class AutomationCron(ModelSQL, ModelView):
                     shipment.id, shipment.reference,
                     shipment.bl_number, booking_bl_number)
                 shipment.bl_number = booking_bl_number
+                columns.append('bl_number')
+                values.append(booking_bl_number)
                 changed = True
             if bl_date and shipment.bl_date != bl_date:
                 logger.info(
@@ -251,6 +262,8 @@ class AutomationCron(ModelSQL, ModelView):
                     shipment.id, shipment.reference,
                     shipment.bl_date, bl_date)
                 shipment.bl_date = bl_date
+                columns.append('bl_date')
+                values.append(bl_date)
                 changed = True
             if etd_date and shipment.etd != etd_date:
                 logger.info(
@@ -259,12 +272,20 @@ class AutomationCron(ModelSQL, ModelView):
                     shipment.id, shipment.reference,
                     shipment.etd, etd_date)
                 shipment.etd = etd_date
+                columns.append('etd')
+                values.append(etd_date)
                 changed = True
             if controller and shipment.controller_target != controller:
                 shipment.controller_target = controller
+                columns.append('controller_target')
+                values.append(controller)
                 changed = True
             if changed:
-                ShipmentIn.save([shipment])
+                table = ShipmentIn.__table__()
+                table_columns = [getattr(table, column) for column in columns]
+                cursor = Transaction().connection.cursor()
+                cursor.execute(*table.update(
+                    table_columns, values, where=table.id == shipment.id))
             return changed
 
         for i, row in enumerate(rows2, 1):
diff --git a/modules/purchase_trade/lot.py b/modules/purchase_trade/lot.py
index c347ada..4b2d474 100755
--- a/modules/purchase_trade/lot.py
+++ b/modules/purchase_trade/lot.py
@@ -911,10 +911,9 @@ class Lot(metaclass=PoolMeta):
         virtual_lots = [l for l in lots if l.lot_type == 'virtual']
 
         total_physic = sum(l.get_current_quantity_converted() for l in physical_lots)
-        theorical = line.quantity_theorical if hasattr(line, 'quantity_theorical') else line.quantity
-        virtual_qty = round(theorical - total_physic, 5)
-        logger.info("RECOMPUTE_VIRTUAL_LOT:%s",virtual_qty)
-        if virtual_lots:
+        theorical = line.quantity_theorical if hasattr(line, 'quantity_theorical') else line.quantity
+        virtual_qty = round(theorical - total_physic, 5)
+        if virtual_lots:
             vlot = virtual_lots[0]
             lh = vlot.lot_hist[0]
             lh.quantity = virtual_qty
@@ -1196,8 +1195,7 @@ class Lot(metaclass=PoolMeta):
             line = SL(line_id)
         qt = Decimal(0)
         lots = list(line.lots or [])
-        logger.info("DELETE_RECALC:%s",lots)
-        for lot in lots:
+        for lot in lots:
             if len(lots) > 1:
                 if lot.lot_type == 'physic':
                     qt += lot.get_current_quantity_converted()