1366 - Incorrect integer value: '' for column `pella-ware`.`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', '0k60tdnn23fboc9ajrhqv7av82', '3.88.114.76', '1711723574', '1711723574', '/login.php?XTCsid=0k60tdnn23fboc9ajrhqv7av82')

[XT SQL Error]