1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'bc0e29e95ab4d5ab3a367b1b50261d18', '3.145.183.137', '1713450626', '1713450626', '/product_info.php?info=p323_Jericho---Mundstangen-Set.html&XTCsid=20bbdc77ade4d1698ba2b6b1a9e7f349')

[XT SQL Error]