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', 'cmao3iu2jc0k9nqb6g0sreg0n2', '18.118.200.136', '1714141169', '1714141169', '/Gitternetz-Kerze/Gitternetz-Kerze-Orange::703.html')

[XT SQL Error]