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', 'd267d99bc2f00be2baf3aa3d486ccda1', '216.73.216.148', '1755078696', '1755078696', '/')

[XT SQL Error]