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', '89t75eevn38l1mbi55q54fdf20', '18.216.123.120', '1713595792', '1713595792', '/Glasuntersetzer/Serie-Neon:::7_27.html')

[XT SQL Error]