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', '03101890bd71957ddc2c26b23cf0721e', '3.22.181.209', '1713990880', '1713990880', '/product_info.php/info/p2736_Bosnien-Reliefkarte.html')

[XT SQL Error]