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 actionTTP3SSC0XVP5N6EQ5W4BjgQSYuankC2fmLW3S3yVZg0KtQBlEw1T3Dg0y9mbzRse2IM9YZLaj4VsM24qVZE8A+SJF/0=