1366 - Incorrect integer value: '' for column `wvf_soft_`.`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', '661i3rbjn6d1sonj213tua68b4', '3.87.250.158', '1643109128', '1643109128', '/')

[XT SQL Error]