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', 'o2mvg5o6bnnr836gqm4htf9j83', '52.14.236.72', '1718726611', '1718726611', '/index.php/manu/m3_RS-Namibia.html/manufacturers_id/admin/images/icons/templates/xtc5/img/images/product_images/thumbnail_images')

[XT SQL Error]