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', 'e634362607f28a6c919517860d01deb8', '18.191.240.243', '1714173355', '1714173355', '/product_info.php/info/p4013_Earth-Relief-Map.html')

[XT SQL Error]