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', 'b53ef400de43efe395c4513a708c921c', '52.14.221.113', '1714032275', '1714032275', '/product_info.php/language/en/info/p2753_Neukaledonien-Reliefkarte.html')

[XT SQL Error]