1366 - Incorrect integer value: '' for column `magickland`.`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', 'nku1nueaoe833ek1cga32t9g05', '3.142.119.185', '1718732276', '1718732276', '/index.php/cat/admin/images/icons/admin/images/icons/admin')

[XT SQL Error]