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', 'mqvcm0ltvulnq18a1tk5qm24j1', '18.224.32.86', '1713512977', '1713512977', '/Kerze-Windmuehle/Kerze-Windmuehle-Gelb::607.html')

[XT SQL Error]