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', '691db1d9960846dffca1fc65c1d4cf37', '3.145.119.199', '1713289642', '1713289642', '/product_info.php/info/p2699_Guinea-Reliefkarte.html')

[XT SQL Error]