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', '78711dded3eeade4519ddb8d4d692ee1', '18.191.174.168', '1713997592', '1713997592', '/product_info.php/language/de/info/p1578_Papua-New-Guinea-Satellite-Image.html')

[XT SQL Error]