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', '7e8c0d73b9b90256d1e949fced1d7c2c', '18.221.41.214', '1714136863', '1714136863', '/product_info.php/language/en/info/p2834_Bahrein-Reliefkarte.html')

[XT SQL Error]