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', '75631607856fefb71ea81ba050bb19cf', '18.232.125.188', '1711725568', '1711725568', '/product_info.php/language/en/info/p2706_Lettland-Reliefkarte.html')

[XT SQL Error]