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 actionZC2ZYDXGAZAP4QRW+yYzLm0hx3iylmb8qODz1+Ews3KZk0J30B7RnKGY/sYJv3QgifUkhI6ATWpRU2UNH6AvjjKNVGQLMeq5cJ7qXQVx220LKlzA