1366 - Incorrect integer value: '' for column `db160153`.`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', 'e3r135nkqo4tlq9i1o7mljq3k6', '35.173.215.152', '1711726725', '1711726725', '/Kerze-Blumenbluete/Kerze-Blumenbluete-Orange::691.html')

[XT SQL Error]