1366 - Incorrect integer value: '' for column `dogsdream`.`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', '07f6fc98999fe095e2c63c9382b4d5eb', '3.129.67.248', '1732270451', '1732270451', '/shop/product_info.php/info/p7_BIO---Apfel---Honig-Leckerli.html')

[XT SQL Error]