1366 - Incorrect integer value: '' for column `hundgesund`.`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', '851b5aa727788ec50a312e197cb83f1d', '3.233.221.149', '1582245798', '1582245798', '/shop/checkout_shipping.php')

[XT SQL Error]