1366 - Incorrect integer value: '' for column `magickland`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'uvd8otv8s5op3i9p9673r9m3i4', '18.119.120.8', '1718733115', '1718733115', '/index.php/cat/templates/xtc5/img/russian/templates/templates/xtc5/img/telephone2.png')

[XT SQL Error]