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', '21b9fdfa09bcb3c57eac5bcf2a451fbe', '3.149.214.32', '1713925254', '1713925254', '/product_info.php?info=p249_German-Folk-Medley.html&XTCsid=6f15378daa624dbfd839586482611826')

[XT SQL Error]