AccessDeniedUser: arn:aws-us-gov:sts::196640475515:assumed-role/preview-s3-api-gateway-role/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws-us-gov:s3:::preview-piam.dev.usgov.security.cisco-1966" because no identity-based policy allows the s3:ListBucket action5HGQGAK219G36K90/mWJYlOcIt++G8eaAke8XwHKF9o3bLHfpngILhW8ysWqhOFOLpLto//nP8qme+bsVI8MZv6q2Nw5NnWyeal9mgotybUo3V4Tg0S43C+btoI=