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', 'd0ef95971a9999ec528f3d408da32daa', '3.238.62.119', '1711676012', '1711676012', '/product_info.php?info=p53_Fruehling-an-der-Donau--Waltz-.html&XTCsid=8c4102f41ddb20799250c1276e1c9d62')

[XT SQL Error]