1366 - Incorrect integer value: '' for column `CP_as15`.`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', 'h26bu150cj9550o0mvp39oq413', '18.119.133.168', '1739000986', '1739000986', '/index.php?XTCsid=o64jeukdqdg9btq7j80htrr7d3&cat=c157_Sony.html')

[XT SQL Error]