Delivery Schedule line no in Make to Order

Hi all,

i am doing make to order scenario with 20 strategy group. In sales order we r defining the different delivery schedule lines.when i run the MRP and getting the plan orders for all the FG material and semifinished material, the sale order number and sale order item number is getting updated in production order . Beside these two , delivery schedule line number is not populated and delivery date is not picking correctly in production order.

please give your valuable suggestion .

i would be highly thankful to u

regards

piyush