1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'b22a090e14988df2cbf1767c505313c2', '44.220.59.236', '1711722377', '1711722377', '/product_info.php?language=en&info=p248_Memory-Of-Spain.html&XTCsid=a451af72c17a970910eac808a75b0ae1')

[XT SQL Error]