1366 - Incorrect integer value: '' for column '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', 'tb0t6gld57g0568tbm3qef1kv1', '18.222.30.59', '1746978757', '1746978757', '/xtshop/product_info.php?info=p1100_.html')

[XT SQL Error]