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', '18u8j8nk1dfq4s1e5av6mnuem6', '3.236.101.52', '1711695198', '1711695198', '/Palmwachskerzen/Kerze-Spiralkugel:::1_15.html')

[XT SQL Error]