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', '12cc585f65a51acf3b94e07477971055', '18.217.220.114', '1714006592', '1714006592', '/product_info.php/language/en/info/p2756_Slowenien-Reliefkarte.html')

[XT SQL Error]