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', 'f0936d508f53487bb113fc61a870afbe', '3.144.230.82', '1714194731', '1714194731', '/product_info.php/language/en/info/p1656_Denmark-Satellite-Image.html')

[XT SQL Error]