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', '1ed966259f825eae46eae1f7a89861e0', '3.137.220.120', '1714078049', '1714078049', '/product_info.php/language/en/info/p1800_Franzoesisch-Polynesien-3-Satellitenbild.html')

[XT SQL Error]