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', 'f6bba6ac76264cb9e956a8421da9d80b', '3.236.19.251', '1711652461', '1711652461', '/product_info.php/language/de/info/p3234_Armenien-Reliefkarte.html')

[XT SQL Error]