Incorrect validation error for property data type mismatch in the search space JSON

[shreyabiradar07]

The expected data type for the experiment_id property is string. However, if an integer or double value is provided in the search space for e.g in the below JSON, it results in a validation error with the message Parameters cannot be empty or null! . The correct validation error message should indicate that the data type of "experiment_id" should be a string i.e Parameter 'experiment_id' 123 is not of type 'string'

{
  "operation": "EXP_TRIAL_GENERATE_NEW",
  "search_space": {
    "experiment_name": "exp1",
    "experiment_id": 123,
    "total_trials": 5 ,
    "parallel_trials": 1,
    "value_type": "double",
    "hpo_algo_impl": "optuna_tpe",
    "objective_function": "transaction_response_time",
    "tunables": [
      {
        "value_type": "double",
        "lower_bound": 150,
        "name": "memoryRequest",
        "upper_bound": 300,
        "step": 1
      },
      {
        "value_type": "double",
        "lower_bound": 1,
        "name": "cpuRequest",
        "upper_bound": 3,
        "step": 0.01
      }
    ],
    "direction": "minimize"
  }
}