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', '606262b3178e16531edb7827c6845d1d', '3.145.23.123', '1713252441', '1713252441', '/product_info.php/info/p3345_Alaska-Reliefkarte.html')

[XT SQL Error]