1366 - Incorrect integer value: '' for column `shop_db3`.`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', '374f714debeac73e6c052cdacc2e131d', '3.129.39.55', '1714153479', '1714153479', '/product_info.php?info=p325_Jericho---Sound-Assistant-2.html&XTCsid=0b5950426fd4d33665c5302b513a92c8')

[XT SQL Error]