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', 'e830665d2695d2b83f0ffd7e0bd6eded', '44.192.75.131', '1711621421', '1711621421', '/product_info.php/language/de/info/p4000_Asien-Reliefkarte.html')

[XT SQL Error]