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 actionGH9F9VX1BR3T4X6FIPC6n+BQ4WXuGD3hET4I9Wh35+bPDm5TZdhhgOCEhzadl3y5gLNuEXZ94+RwVc4fxBqBFAvfNh4+A0d4JTWor8frae4CUmHg