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', 'd46f26f035d77843d226d74b772e8f3c', '13.59.67.238', '1732001100', '1732001100', '/product_info.php/language/en/info/p3104_Argentinien-Reliefkarte.html')

[XT SQL Error]