1366 - Incorrect integer value: '' for column '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', 'e7537d6f722fbd2720a16ee44555619f', '34.239.151.124', '1718722053', '1718722053', '/shop_content.php/coID/4')

[XT SQL Error]