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', '4u33euhqd1i8n1h5gj5899i5m6', '3.142.119.111', '1718728504', '1718728504', '/index.php/manu/m3_RS-Namibia.html/manufacturers_id/images/product_images/thumbnail_images/images/product_images/thumbnail_images/images')

[XT SQL Error]