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', 'c97abc5c869d1a1827a3e4651aa0dd0c', '3.138.141.202', '1714055306', '1714055306', '/product_info.php/language/de/info/p2965_Philippinen-Reliefkarte.html')

[XT SQL Error]