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', '12ce8d1d0a7e5ddeee7e9d81b0c6e6cc', '216.73.216.116', '1752281544', '1752281544', '/product_info.php/info/p4012_Erde-Satellitenbild.html')

[XT SQL Error]