1366 - Incorrect integer value: '' for column `db160153`.`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', '90curq6v3lqj4icnp7hsd2cr05', '3.144.113.197', '1714129766', '1714129766', '/Stern-Kerze/Stern-Kerze-Gelb::885.html')

[XT SQL Error]