1366 - Incorrect integer value: '' for column `db162720`.`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', 'psjfhhlqarn7eamuhto6ih1bq5', '18.117.182.179', '1713472141', '1713472141', '/shop_content.php/coID/0/content/Kerzen-Wissen')

[XT SQL Error]