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', '66gccf22rg19qdqj81cra7jna4', '18.118.142.60', '1718729291', '1718729291', '/index.php/manu/m3_RS-Namibia.html/manufacturers_id/templates/xtc5/buttons/russian/admin/images/icons/admin/images/icons/letters.gif')

[XT SQL Error]