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', '0gvpehb7s7qvht9j5r8jlemp45', '18.225.235.74', '1718734652', '1718734652', '/index.php/manu/m3_RS-Namibia.html/manufacturers_id/images/product_images/thumbnail_images/templates/xtc5/img/images')

[XT SQL Error]