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', 'ov6hqh1vivd81d3dor86t11rj5', '18.225.235.74', '1718733867', '1718733867', '/index.php/manu/m3_RS-Namibia.html/manufacturers_id/images/product_images/thumbnail_images/images/product_images/thumbnail_images/images')

[XT SQL Error]