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', 'f4mkj1dldn6n1rjls3r0b331l1', '44.192.38.248', '1669817449', '1669817449', '/')

[XT SQL Error]