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', 'b1aa873930622bc4e1c01e893fa8fe87', '3.236.219.157', '1711676518', '1711676518', '/product_info.php/language/de/info/p2854_Australien-Reliefkarte.html')

[XT SQL Error]