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', 'b14d972bd8eb54f25ea227df5f0c678e', '3.137.171.121', '1713934168', '1713934168', '/product_info.php/language/de/info/p1551_Aethiopien-Satellitenbild.html')

[XT SQL Error]