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', '6b3431ed4a72c2adcccbdb51aa689d3d', '3.141.100.120', '1713943557', '1713943557', '/product_info.php/language/en/info/p3134_Tschad-Reliefkarte.html')

[XT SQL Error]