1366 - Incorrect integer value: '' for column `pella-ware`.`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', 'bo5peq0ib6r8l4200t0puuu9o6', '3.236.139.73', '1711625378', '1711625378', '/login.php?XTCsid=bo5peq0ib6r8l4200t0puuu9o6')

[XT SQL Error]