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 actionZNDDCNSDG63JF1NShn5YPtyjRRwYVr3/LVUm5WaQ1dRM4Odeou9yUJmQ01RSDOckQNa6VA8QUalO2n3xWjceYflmBeY=