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', '63a06997f0bf4b3147b0311a5841ab49', '34.231.247.254', '1711711869', '1711711869', '/product_info.php?language=de&info=p248_Memory-Of-Spain.html&XTCsid=556213bd995aa263df7318e539f41bde')

[XT SQL Error]