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', '9001d16c49d0aeacdad8f433c490bc47', '18.191.189.85', '1713587006', '1713587006', '/product_info.php/language/de/info/p3139_Afghanistan-Reliefkarte.html')

[XT SQL Error]