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', '14eae3e37d3e1833b8a067065d2c4780', '216.73.216.145', '1761018682', '1761018682', '/products_new.php/language/en')

[XT SQL Error]