Receiving an error message "Please enter a valid expiration date" upon saving a sales order.

I.  Check the customer record if the credit card has expiration date.

1.    Navigate to Lists > Relationships > Customers.

2.    Edit the customer record selected in the Sales Order.

3.    In the Financial tab > Credit Cards sub tab.

4.    Fill out the Expiration Date of the credit card.

5.    Click Save.

 

II.            Edit the Credit Card record from the sales order and enter an expiration date

1.    Edit the Credit Card record from the sales order and enter an expiration date.

2.    Navigate to the Billing tab > Payment sub tab of the Sales Order.

3.    Click Edit in the credit card sublist.

4.    In the Expiration Date field, enter the expiration date.

5.    Click Save.

Note: User may enter the expiration date on the Expires (MM/ YYYY) field if the data should be used on that particular transaction only.