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', '975absgo1ep1fv8e0dufhhflj1', '18.223.196.211', '1713623938', '1713623938', '/Palmwachskerzen/Stern-Kerze:::1_8.html')

[XT SQL Error]