1366 - Incorrect integer value: '' for column `drucktiv`.`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', 'oim4jtn78qh9j7au76fod3lpl2', '216.73.216.1', '1761121737', '1761121737', '/')

[XT SQL Error]