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', 'e5qeu44i9ifjrjuij737qfa9m7', '18.116.63.236', '1713421582', '1713421582', '/Kerze-Spiralkugel/Spiralkugel-Hellblau::649.html')

[XT SQL Error]