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', 'b822af6cc5549e3271c7042cb00b082d', '18.215.15.122', '1711614758', '1711614758', '/product_info.php?language=en&info=p248_Memory-Of-Spain.html&XTCsid=556213bd995aa263df7318e539f41bde')

[XT SQL Error]