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', '76ea208e49005d1aba24274e11e53743', '18.117.153.38', '1714147287', '1714147287', '/product_info.php?info=p228_Auf-Wiedersehn.html&XTCsid=8431cc383ca4da55e69d814d1f9a8725')

[XT SQL Error]