index] !== undefined"><i class="fa fa-exclamation-triangle" aria-hidden="true"></i> This key is already defined.</p>
        <p ng-if="$ctrl.state.invalidKeys[index]"
          ><i class="fa fa-exclamation-triangle" aria-hidden="true"></i> This key is invalid. A valid key must consist of alphanumeric characters, '-', '_' or '.'</p
        >
      </div>
    </div>

    <div class="form-group" ng-if="$ctrl.formValues.IsSimple && !entry.IsBinary">
      <label for="configuration_data_value_{{ index }}" class=