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', 'b3007ad798c92e0150b3b2c314c152fa', '216.73.216.20', '1771622094', '1771622094', '/')

[XT SQL Error]