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', '29c31c725278bf0faba39a725c523897', '18.223.32.230', '1713249542', '1713249542', '/product_info.php/language/de/info/p1785_Liechtenstein-Satellite-Image.html')

[XT SQL Error]