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 action02EB7EDB69Z9DJ69AfR+GvM2PHNclrlx+0oaQEr+GAkMioneeg4mwXTiz5XxEuxUxzvT1eLdnTVM4BvxsYZJ8OUPANlMfIKBb5cFQyGy9hOX5YFb2Y3vNjHrjTM=