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', 'lh8jff97tbfohm2agpfrrkhre5', '216.73.216.80', '1751324035', '1751324035', '/index.php?XTCsid=fae3ff5c5d04ff901994dcd111972841')

[XT SQL Error]