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', '3j2ajmosg27pjd9ksneac9mcc6', '18.191.178.51', '1718733442', '1718733442', '/index.php/cat/templates/xtc5/img/russian/templates/templates/xtc5/img/telephone2.png')

[XT SQL Error]