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', '3b0b075e50134ddb7a7b8cf4b1e8a876200342e9', '34.231.21.83', '1591424973', '1591424973', '/create_account.php')

[XT SQL Error]