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 action2RY7VE8NB0PXZJQVqf07Znk0L8o57akwCkSSKVl1WFNXGwjig8MJmk9NbLE+Mtwq8ouuuzzQTt01JBvEfX1N5T2Uz7A=