1366 - Incorrect integer value: '' for column `hbl_shop`.`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', 'edeagh5e188aa9arkhbb5fl4l7', '216.73.216.30', '1751595042', '1751595042', '/product_info.php?info=p565_Futterdaempfer-100-Liter-vollverzinkt-mit-Schamotte-schwere-Ausf-.html')

[XT SQL Error]