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', '16db28f644eb4bda5ac0c2baf4846fe2', '3.138.175.180', '1714021260', '1714021260', '/index.php/language/de/cat/c32_World.html')

[XT SQL Error]