Warnings on link "my files"

Hello, i am not english speaker. Just send you for info following warning message ( Drupal 5.1, last update ecommerce module - today, 25 feb.):

* user warning: Unknown column 'st.expires' in 'field list' query: SELECT st.created, st.expires, stp.title, pf.size, pf.fpath FROM ec_transaction AS st, users AS u, ec_product AS p, ec_product_file AS pf, ec_transaction_product AS stp WHERE u.uid = st.uid AND st.uid = 1 AND p.nid = stp.nid AND st.txnid = stp.txnid AND pf.nid = p.nid AND st.payment_status = 2 ORDER BY st.txnid DESC in z:\home\test1.ru\www\includes\database.mysql.inc on line 172.
* user warning: Unknown column 'st.expires' in 'field list' query: SELECT st.created, st.expires, stp.title, pp.mnid, p.nid FROM ec_transaction AS st, users AS u, ec_product AS p, ec_product_parcel AS pp, ec_transaction_product AS stp WHERE u.uid = st.uid AND st.uid = 1 AND p.nid = stp.nid AND st.txnid = stp.txnid AND pp.nid = p.nid AND st.payment_status = 2 ORDER BY st.txnid DESC in z:\home\test1.ru\www\includes\database.mysql.inc on line 172.

Thanks for your work