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', '40718dd72b39dccda6668e0190fe0786', '3.140.185.123', '1714108552', '1714108552', '/shop_content.php?coID=3&XTCsid=2c82651c29181c0e0b67329d45f74355')

[XT SQL Error]