1366 - Incorrect integer value: '' for column `db110607`.`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', '9bftbo8ch9sq0hqt2g8cbp8kj5', '3.238.104.143', '1657036247', '1657036247', '/advanced_search_result.php?keywords=Metallbett+180+x+220&categories_id=&inc_subcat=1&manufacturers_id=&pfrom=&pto=&x=28&y=14')

[XT SQL Error]