AccessDeniedUser: arn:aws:sts::701984500217:assumed-role/s3readonly-api-gateway/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws:s3:::ats-webhost-sarithm" because no identity-based policy allows the s3:ListBucket actionVQVVE5HGJ9QYX7VBpgct76fa2o+SOllgaVGB+cKh9LbwUdSt7xYt6p2vsIDRsixg0PnrlU/UNrILmqqQ46pie5SExSxUGIuRiwT9zhYOzzluPsnS