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 action2CMWC7RMD4JA17BH0p/YOFWJKzD/QWFIFpaFhI0OYphA4esWJnPXP3WiwX7Ew27RSg5FmpQD+/QEAtukZ6h8rkBu0liSNCVLrX6mzdGGS2JbH8mT2dLqA7ZVi4w=