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', 'j558h6s5hghh6fsrtb0754nvr2', '18.191.140.27', '1718729131', '1718729131', '/index.php/cat/templates/xtc5/img')

[XT SQL Error]