1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'c52b30941a0d0e2ffa5bae875c2b21db', '3.144.35.148', '1714129866', '1714129866', '/product_info.php?info=p52_Trompeten-Galopp--Bravour-Polka-.html&XTCsid=f88a86bf4ffc9ff2be90f468933efb62')

[XT SQL Error]