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', '002a9b6414b1fab02c79dd6d5c5c6577', '3.145.23.123', '1713479372', '1713479372', '/product_info.php/info/p2947_Guinea-Reliefkarte.html')

[XT SQL Error]