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', 'b27325e75a04787ff1f132bae3b8f672', '3.88.114.76', '1711725747', '1711725747', '/product_info.php/language/de/info/p2775_Aequatorial-Guinea-Reliefkarte.html')

[XT SQL Error]