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', 'mn9d3ds8krh8kdu6uhsolaa4d1', '54.224.133.198', '1643231858', '1643231858', '/')

[XT SQL Error]