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', '57a8dc298d6321d12de5c5cb2f8c6ecc', '216.73.216.3', '1767604987', '1767604987', '/product_info.php/language/de/info/p2846_Satellitenbild-Poster-Konfigurator.html')

[XT SQL Error]