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', '019f2d38fba47b496a509cc140144682', '3.141.100.120', '1713500826', '1713500826', '/password_double_opt.php?XTCsid=f716959fd807bba9b6e004501137d276')

[XT SQL Error]