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', '3ba5df499daacdce56b2fc2a14f04201', '3.224.147.211', '1711712778', '1711712778', '/password_double_opt.php?XTCsid=ed890d870a93292a1cc254113c4cf12e')

[XT SQL Error]