avoid 'error reinitializing datatable' alert

app/views/sales/sales_reserved.html.erb

@@ -269,7 +269,8 @@
           [20, 50, 75, 100, "Todos"] // change per page values here
         ],
         "pageLength": 20,
-        "bServerSide": false
+        "bServerSide": false,
+        "bDestroy": true
     });
   });