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', '0d573f8ea2c5a39b5eb73d5067c96d76', '35.175.236.44', '1711677573', '1711677573', '/shop_content.php?coID=7&XTCsid=0d9ee48a6a0ef54d70661006a72a5ec7')

[XT SQL Error]