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', '6r4q80curj3jp1n7etrbf30m74', '18.220.160.216', '1714193511', '1714193511', '/product_info.php/info/p174_.html')

[XT SQL Error]