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 actionDG1G5G1A3JY1HHJ5Js3SoZao95dA6s4c0GAyr6jmpbRToBoqR4urmRimgZgWHQUWS4Nsk8VbvSYCvu30GOp5Z4/mHoBxeNluo2A7TOzk48KoAXfC6yMU9oXtReI=