экскурсии

MySQL error:
Duplicate entry '3326331' for key 'PRIMARY'
/home/stpete/public_html/code/lib.php:3; in query:
INSERT INTO orders SET session="6aa560242c1890bf36ce369f8a88e566",users2__ID=0,order_num=1 , city__ID = "1" , currency__ID = "3" , exc__ID = "10" , type_ = "exc" , status = 'start'