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', 'ffae4196f7482670ede350b95a09d033', '3.145.23.123', '1713883866', '1713883866', '/product_info.php/info/p3542_Die-Bahamas-6-Reliefkarte.html')

[XT SQL Error]