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', 'eb1f83ab3a6a6eba20a9adadfb2f0308', '216.73.216.30', '1764097352', '1764097352', '/product_info.php/info/p3385_Afghanistan-Reliefkarte.html')

[XT SQL Error]