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', '8e156f8ff2bf97d276a708b45571585f', '18.118.254.94', '1713999524', '1713999524', '/product_info.php/info/p3120_Tuerkei-Reliefkarte.html')

[XT SQL Error]