1366 - Incorrect integer value: '' for column `hbl_shop`.`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', '5f893q2l418sb87fr78p34ouf5', '3.17.156.160', '1746764535', '1746764535', '/index.php?cat=c3_Futterzubereitung.html')

[XT SQL Error]