1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', '68f19f16818bad16919bcf25e7c2cea6', '3.144.12.205', '1714103366', '1714103366', '/login.php')

[XT SQL Error]