1366 - Incorrect integer value: '' for column `hbl_shop`.`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', 'ave0ftb0ousfl92nhtid9pd7f5', '18.97.9.174', '1765186265', '1765186265', '/shop_content.php?coID=1')

[XT SQL Error]