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', 'd593e532d542bc453cc230432ddcaeab', '3.237.186.170', '1711619769', '1711619769', '/shop_content.php?coID=2&XTCsid=9514a1bd93d87b5ffcf98997ef6b3ec7')

[XT SQL Error]