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', '1b1fc8787d2c63ed70e5a3e4d13beb13', '3.133.131.168', '1713606989', '1713606989', '/product_info.php/language/de/info/p1607_Eritrea-Satellitenbild.html')

[XT SQL Error]