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', 'gfh0g4vk9n0jcaj54qaqi7h8j4', '35.173.181.0', '1711716018', '1711716018', '/Gitternetz-Kerze/Gitternetz-Kerze-Dunkelblau::709.html')

[XT SQL Error]