P4334 - Quote Responses Promised Delivery Date Issue

Hello

Has any one come across with the Quote Responses Date issue or if there is any remedy. I am doing following steps and encountered this issue:

1. Enter Quotation for 3 items

2. Enter one Supplier in Form Exit Quote suppliers

3. Clicked OK and saved the Quotation

4. Inquired Quotation in Quote Responses

5. Highlighted the line and clicked Row Exit "Quote Responses"

6. In the Quote Responses Header screen, entered Promised Delivery Date as "03/31/2016"

7. In the detail line 1 enter Price for first item and Promised Delivery Date as '03/31/16"

8. In the detail line 2 enter Price for Second item and Promised Delivery Date as '04/25/16"