1366 - Incorrect integer value: '' for column `dbbgz2tq`.`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', 'dfb2dae431c0ff57075049d9854303fa3421bf91', '34.204.193.85', '1590921624', '1590921624', '/')

[XT SQL Error]