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', '703e6158fcc41bcd2cdb13bb0013ea3c', '44.204.164.147', '1710831366', '1710831366', '/index.php/cat/c37_World.html')

[XT SQL Error]