Moebel-Power-Praktikanten

Hi, Why will the table_customer_basket not be updated after someone had insert his shipping informations. There is no insert for this table. With the normal create_account, there are inserts. It is linked to checkout_shipping.php and with PWA the table will not be filled? How can i solve this, because my calculation of the shipping costs are based on that table. Could it depends on the tep_session_register('customer_is_guest');? Thanks for trying to help;)