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', 'nmulahbqd5l40vb9d37iboc0u4', '35.168.113.248', '1711697966', '1711697966', '/::641.html')

[XT SQL Error]