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', '57bd128835847cbd2abf54b1fb1018e8', '3.21.100.34', '1713560119', '1713560119', '/shop_content.php?coID=3&XTCsid=0d9ee48a6a0ef54d70661006a72a5ec7')

[XT SQL Error]