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', 'e4c9e4365d4d0ad0474e5c73a15ff39a', '3.144.9.141', '1714025088', '1714025088', '/product_info.php/info/p1764_Vanuatu-8-Satellitenbild.html')

[XT SQL Error]