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', 'l538evlbnup68e4me9lifmoof4', '18.227.0.192', '1714074300', '1714074300', '/Palmwachskerzen/Stern-Kerze/Stern-Kerze-Gelb::142.html')

[XT SQL Error]