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', '5c3ade685ed3c93d4725b3e6caf07f12', '216.73.216.108', '1768528310', '1768528310', '/product_info.php/info/p1732_Fiji-3-Satellitenbild.html')

[XT SQL Error]