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', '77eh71bs86r51ooo9bqqkekk53', '216.73.216.119', '1758177912', '1758177912', '/xtshop/password_double_opt.php')

[XT SQL Error]