1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'ede21c8a638150579a9a3bb8a5df923b', '3.144.102.239', '1714008201', '1714008201', '/product_info.php/info/p2753_Neukaledonien-Reliefkarte.html')

[XT SQL Error]