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', '920af10b4611322039072b5ee7de19e9', '3.90.242.249', '1711658736', '1711658736', '/shop_content.php?coID=1&XTCsid=12ab6c593489deceb1c19806497af77d')

[XT SQL Error]