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', '5dcd0e43ec9bdbb1efaaef22502fba0a', '18.97.14.80', '1771435113', '1771435113', '/')

[XT SQL Error]