1366 - Incorrect integer value: '' for column `db160153`.`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', 'alr4iculg9oltqb1ps2ginfgs2', '3.19.56.114', '1714160751', '1714160751', '/Grosse-Kugel-Kerze/Grosse-Kugel-Kerze-Rosa::680.html')

[XT SQL Error]