Error!

MySQL Error: Incorrect integer value: '' for column 'ref_id' at row 1
SQL Statement: INSERT INTO user_tracking_current_5 (object_type,object_id,req_url,http_referer,accessed_on,user_id,ref_type,ref_id,user_ip,user_agent) VALUES ('content','29573','buyersguide/profile/torrey-hills-technologies-llc-104072','','2022-01-22 07:41:29',-1,'','','54.224.117.125','CCBot/2.0 (https://commoncrawl.org/faq/)')