1366 - Incorrect integer value: '' for column `shop_db3`.`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', '8746fa05add70d5c73deb5cddd9a5639', '54.88.179.12', '1711687470', '1711687470', '/shop_content.php?coID=4&XTCsid=6f15378daa624dbfd839586482611826')

[XT SQL Error]