diff --git a/modules/purchase_trade/lot.py b/modules/purchase_trade/lot.py
index ef57c18..cdd6de3 100755
--- a/modules/purchase_trade/lot.py
+++ b/modules/purchase_trade/lot.py
@@ -1200,9 +1200,9 @@ class LotQt(
                 # Pnl.save(pnl_lines)
 
                 #Open position update
-                if pl.quantity_theorical:
-                    OpenPosition = Pool().get('open.position')
-                    OpenPosition.create_from_purchase_line(pl)
+                # if pl.quantity_theorical:
+                #     OpenPosition = Pool().get('open.position')
+                #     OpenPosition.create_from_purchase_line(pl)
 
     @classmethod
     def getQuery(cls,purchase=None,sale=None,shipment=None,type=None,state=None,qttype=None,supplier=None,client=None,ps=None,lot_status=None,group=None,product=None,location=None,origin=None):
diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index 55f55bc..8f31407 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -593,9 +593,9 @@ class Line(metaclass=PoolMeta):
                 valuations = Valuation.search([('lot','in',line.lots)])
                 if valuations:
                     Valuation.delete(valuations)
-            op = OpenPosition.search(['line','=',line.id])
-            if op:
-                OpenPosition.delete(op)
+            # op = OpenPosition.search(['line','=',line.id])
+            # if op:
+            #     OpenPosition.delete(op)
         super(Line, cls).delete(lines)    
 
     @classmethod
diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 3062d56..0f4f319 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -691,9 +691,9 @@ class SaleLine(metaclass=PoolMeta):
                 valuations = Valuation.search([('lot','in',line.lots)])
                 if valuations:
                     Valuation.delete(valuations)
-            op = OpenPosition.search(['sale_line','=',line.id])
-            if op:
-                OpenPosition.delete(op)
+            # op = OpenPosition.search(['sale_line','=',line.id])
+            # if op:
+            #     OpenPosition.delete(op)
 
         super(SaleLine, cls).delete(lines)
     
diff --git a/modules/purchase_trade/valuation.py b/modules/purchase_trade/valuation.py
index 8da204f..195b805 100644
--- a/modules/purchase_trade/valuation.py
+++ b/modules/purchase_trade/valuation.py
@@ -537,7 +537,8 @@ class ValuationReport(ValuationBase, ModelView):
         context = Transaction().context
         valuation_date = context.get('valuation_date')
         strategy = context.get('strategy')
-        wh = (val.date == valuation_date)
+        if val.date:
+            wh = (val.date == valuation_date)
         if strategy:
             wh &= (val.strategy == strategy)