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', '6cc82d212d4ed3e9827ce4b2191dcb2b', '3.128.203.143', '1713618218', '1713618218', '/product_info.php/info/p3996_Suedamerika-Reliefkarte.html')

[XT SQL Error]