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', 'e415de4b8cbff7df2480ac467bb1cfbc', '3.17.128.129', '1713932936', '1713932936', '/product_info.php/language/en/info/p2631_Angola-Reliefkarte.html')

[XT SQL Error]