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', '7h9rg0shjmdq71e4mh6c2r6sb3', '3.142.53.68', '1714173298', '1714173298', '/Kerze-Windmuehle/Kerze-Windmuehle-Rosa::604.html')

[XT SQL Error]