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', 't2mjl6c7d0epocueoto0tc0932', '216.73.216.161', '1765014059', '1765014059', '/')

[XT SQL Error]