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', 'qn828ep8liom8co7d11a1njdm0', '52.14.48.90', '1718728330', '1718728330', '/index.php/manu/m3_RS-Namibia.html/manufacturers_id/templates/xtc5/img/images/product_images/thumbnail_images/638_0.jpg')

[XT SQL Error]