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 action6AAJ226QC8N4E0JEkx1GB8wDcc/rgDSnoaEsx7YmoiuPqSafMJpKNhRwPAwVw+QrWjlwuCcP3E629bEBl1bkvz0kSp82mdlmVjcrouHhwSxI/i8xNuCsZsjpDk8=