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', 'r1cg6l9214jur24uh225qp41q0', '3.141.8.247', '1714178926', '1714178926', '/Grosse-Kugel-Kerze/Grosse-Kugel-Kerze-Rot::683.html')

[XT SQL Error]