diff --git a/product_combo_pack/__manifest__.py b/product_combo_pack/__manifest__.py
index d36a2a47a..54094a417 100644
--- a/product_combo_pack/__manifest__.py
+++ b/product_combo_pack/__manifest__.py
@@ -23,7 +23,7 @@
 
 {
     'name': 'Product Pack',
-    'version': '15.0.1.0.0',
+    'version': '15.0.1.1.1',
     'summary': 'Manage Products as Pack',
     'description': 'Manage Products as Pack',
     'category': 'Sales',
diff --git a/product_combo_pack/models/product_form.py b/product_combo_pack/models/product_form.py
index 0bba24d0c..dd926e242 100644
--- a/product_combo_pack/models/product_form.py
+++ b/product_combo_pack/models/product_form.py
@@ -30,7 +30,8 @@ class ProductPack(models.Model):
 
     def default_pack_location(self):
         company_user = self.env.company
-        warehouse = self.env['stock.warehouse'].search([('company_id', '=', company_user.id)], limit = 1)
+        warehouse = self.env['stock.warehouse'].search([(
+            'company_id', '=', company_user.id)], limit=1)
         if warehouse:
             return warehouse.lot_stock_id.id
 
@@ -62,15 +63,16 @@ class ProductPack(models.Model):
 
     def write(self, values):
         super(ProductPack, self).write(values)
-        if self.is_pack:
-            if not self.pack_products_ids:
-                raise UserError(_(
-                    'You need to add atleast one product in the Pack...!'))
-            if self.type == 'service':
-                raise UserError(_('You cannot define a pack product as a service..!'))
+        for rec in self:
+            if rec.is_pack:
+                if not rec.pack_products_ids:
+                    raise UserError(_(
+                        'You need to add atleast one product in the Pack...!'))
+                if rec.type == 'service':
+                    raise UserError(_('You cannot define a pack product as a service..!'))
 
     def update_price_product(self):
-        self.lst_price = self.pack_price
+        self.list_price = self.pack_price
 
     def get_quantity(self):
         total_quantity = 1
@@ -93,7 +95,8 @@ class ProductPack(models.Model):
         product_id = len(self.product_variant_ids) == 1 and self.product_variant_id.id
         location_id = self.pack_location_id.id
         if not location_id:
-            warehouse = self.env['stock.warehouse'].search([('company_id', '=', company_user.id)], limit = 1)
+            warehouse = self.env['stock.warehouse'].search([(
+                'company_id', '=', company_user.id)], limit = 1)
             location_id = warehouse.lot_stock_id.id
             if not location_id:
                 raise UserError(_(
@@ -108,9 +111,10 @@ class ProductPack(models.Model):
     def change_quantity_based_on_location(self):
         for line in self.pack_products_ids:
             stock_quant = self.env['stock.quant'].search(
-                [('product_id', '=', line.product_id.id), ('location_id', '=', self.pack_location_id.id)])
+                [('product_id', '=', line.product_id.id), (
+                    'location_id', '=', self.pack_location_id.id)])
             if stock_quant:
                 line.total_available_quantity = stock_quant.quantity
 
             else:
-                line.total_available_quantity = stock_quant.quantity
\ No newline at end of file
+                line.total_available_quantity = stock_quant.quantity
diff --git a/product_combo_pack/security/ir.model.access.csv b/product_combo_pack/security/ir.model.access.csv
index b737db5c9..26465c7e6 100644
--- a/product_combo_pack/security/ir.model.access.csv
+++ b/product_combo_pack/security/ir.model.access.csv
@@ -1,2 +1,3 @@
 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
-access_pack_products,access.pack.products,model_pack_products,base.group_user,1,1,1,1
\ No newline at end of file
+access_pack_products,access.pack.products,model_pack_products,base.group_user,1,1,1,1
+select_product_pack,access.select.product.pack,model_select_product_pack,base.group_user,1,1,1,1