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', '2df797ae1f686f9950b163111aec4b45', '3.149.233.6', '1714054985', '1714054985', '/product_info.php/language/de/info/p3226_Suedkorea-Reliefkarte.html')

[XT SQL Error]