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', '90afed44fbc96acec292a7c94c232d3f', '3.92.96.247', '1711635099', '1711635099', '/product_info.php/language/en/info/p3120_Tuerkei-Reliefkarte.html')

[XT SQL Error]