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', '4754a7654f2b716e7a6aa33d4b832821', '3.138.105.31', '1713529798', '1713529798', '/product_info.php/info/p3049_Vanuatu-14-Reliefkarte.html')

[XT SQL Error]