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 action85ZGJ7ZGDFZ535QBypEyESa2mlIH23uLSynpioPQBlHJitBqTM4kOzJaUby9S2wQcvSjat3FUBDAb5UPh/4xauX4xLoXlphGExnhKmWVy6J/7Z+ZC3dyTSa1Gj0=