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', '566ae52cb58bd6e6f7bb3b3db4ec77a1', '35.153.170.189', '1711698261', '1711698261', '/product_info.php/info/p1775_Mayotte-Satellitenbild.html')

[XT SQL Error]