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', 'n0rl12uatu9ki18lga4t50p6j6', '3.12.165.26', '1718733608', '1718733608', '/index.php/cat/templates/xtc5/img/russian/templates')

[XT SQL Error]