1366 - Incorrect integer value: '' for column `db162720`.`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', 'mebhue6avrpgk1hjc1th75sh06', '3.141.152.173', '1714141147', '1714141147', '/product_info.php/info/p239_.html')

[XT SQL Error]