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', '1d02a147e75e7062c55e59b2cff675df', '18.188.158.92', '1713599455', '1713599455', '/index.php/cat/c32_World.html')

[XT SQL Error]