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', 'd1e9e68bb46173fc8d9a3b7fa4a9e2b3', '3.21.97.61', '1714178018', '1714178018', '/product_info.php/language/en/info/p2885_Mozambique-Relief-Map.html')

[XT SQL Error]