diff --git a/models/sale_order.py b/models/sale_order.py
index 8b90aa6..9958cdb 100644
--- a/models/sale_order.py
+++ b/models/sale_order.py
@@ -22,9 +22,13 @@ class SaleOrderLine(models.Model):
         invoice_lines = self.env['account.invoice.line']
         for line in self:
             # Check if line has a pack_parent_line_id
+            print("self.pack_parent_line_id.exists()", str(self.pack_parent_line_id.exists()))
             if self.pack_parent_line_id.exists():
                 # Get the ref of parent pack
                 sale_id_ref = self.env['sale.order.line'].search([('id', '=', self.pack_parent_line_id.id)])
+                print("sale_id_ref", str(sale_id_ref))
+                print("sale_id_ref.product_id.product_tmpl_id.pack_type", str(sale_id_ref.product_id.product_tmpl_id.pack_type))
+                print("sale_id_ref.product_id.product_tmpl_id.pack_component_price", str(sale_id_ref.product_id.product_tmpl_id.pack_component_price))
                 # Check if product is Pack detailed and option Totalized
                 if sale_id_ref.product_id.product_tmpl_id.pack_type == 'detailed' and sale_id_ref.product_id.product_tmpl_id.pack_component_price == 'totalized':
                     return invoice_lines