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', 'o9r81g7ep9ig1t9rt0nlufnl80', '3.137.189.57', '1718730512', '1718730512', '/index.php/cat/templates/xtc5/stylesheet.css/images/product_images/thumbnail_images/templates')

[XT SQL Error]