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', '310f440696d4b69e75cb5884ad23a5bf', '18.209.31.38', '1711705803', '1711705803', '/redirect.php?action=product&id=248&XTCsid=c00a13a977272d3659dd7fe5a5f758e9')

[XT SQL Error]