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', 'dab9e70ec923123cdd7a04e6a1b7acae', '3.145.186.6', '1714140956', '1714140956', '/product_info.php/language/de/info/p2658_Marokko-Reliefkarte.html')

[XT SQL Error]