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', 'd1f29d159ec64e3ee0686f1ac966d5a7', '216.73.216.3', '1767203183', '1767203183', '/product_info.php/language/de/info/p1778_The-Bahamas-10-Satellite-Image.html')

[XT SQL Error]