case class FatalError(override val code: Int = 1, exceptionCause: String, content: String = "") extends ServingError with S3_Backup with CsVTransformer with Kafka with JsonTransformer with Timestamp with Metric with Log{
 override val description: String = s"Fatal Error code $code accrued"
}
case class InvalidRequestError(paramName: String, paramValue: String, override val code: Int = 2, content: String = "") extends ServingError with Kafka with JsonTransformer with Log{
 override val description: String = s"Invalid Request. Bad parameter: $paramName" + " " + s"with value: $paramValue"
}