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', 'dde31251ae0b194c6480af26f19747b9', '3.144.187.103', '1715204829', '1715204829', '/password_double_opt.php')

[XT SQL Error]