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', '776accf9f58bcf3f869ac98b8ba359c6', '3.135.185.194', '1714091633', '1714091633', '/shop_content.php?coID=1&XTCsid=30c973abda9994cdcaa402f38a62d49a')

[XT SQL Error]