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', 'jerehd3vhpgvgcehjutv383s63', '3.15.240.40', '1718730533', '1718730533', '/index.php/cat/templates/xtc5/img/images/icons/thumbnail_images/admin')

[XT SQL Error]