1366 - Incorrect integer value: '' for column `pella-ware`.`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', 'hd7pi4q0btk2kfvb7fgvunaj27', '3.145.60.149', '1713517323', '1713517323', '/login.php?XTCsid=hd7pi4q0btk2kfvb7fgvunaj27')

[XT SQL Error]