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', '76eq0t534iqg8snunu2t75fsd4', '100.24.118.144', '1669578764', '1669578764', '/')

[XT SQL Error]