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', 'dee69cf6fbdbc41b2adb050b5a954c7b', '44.215.110.142', '1711632907', '1711632907', '/product_info.php?info=p53_Fruehling-an-der-Donau--Waltz-.html&XTCsid=4a502cf522b059da09cfca377185d405')

[XT SQL Error]