1366 - Incorrect integer value: '' for column `ngtkeZ_web1104_2`.`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', '4mp9ipq8drbgdhtfsd8sf5tq15', '3.238.70.175', '1610942312', '1610942312', '/')

[XT SQL Error]