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', 'q4ule130d8tmk68t8ppsk6er06', '3.149.253.111', '1746773649', '1746773649', '/product_info.php?info=p41_804596-Brutautomat-MINI.html')

[XT SQL Error]