message: Handle charger with no OCPP params
diff: -import { ChargingProfile, ChargingProfilePurposeType, ChargingRateUnitType } from '../../types/ChargingProfile';
  -import ChargingStation, { ChargePoint, ChargingStationOcppParameters, ChargingStationTemplate, Connector, ConnectorType, OcppParameter } from '../../types/ChargingStation';
  -import { ChargingStationInError, ChargingStationInErrorType } from '../../types/InError';
  +import fs from 'fs';
  +
  +import moment from 'moment';
  import { GridFSBucket, GridFSBucketReadStream } from 'mongodb';
  import BackendError from '../../exception/BackendError';
  -import Constants from '../../utils/Constants';
  -import Cypher from '../../utils/Cypher';
  -import { DataResult } from '../../types/DataResult';
  -import DatabaseUtils from './DatabaseUtils';
  +import { ChargingProfile, ChargingProfilePurposeType, ChargingRateUnitType } from '../../types/ChargingProfile';
  +import ChargingStation, { ChargePoint, ChargingStationOcppParameters, ChargingStationTemplate, Connector, ConnectorType, OcppParameter } from '../../types/ChargingStation';
  import DbParams from '../../types/database/DbParams';
  -import Logging from '../../utils/Logging';
  +import { DataResult } from '../../types/DataResult';
  +import global from '../../types/GlobalType';
  +import { ChargingStationInError, ChargingStationInErrorType } from '../../types/InError';
  import { OCPPFirmwareStatus } from '../../types/ocpp/OCPPServer';
  import { ServerAction } from '../../types/Server';
  import TenantComponents from '../../types/TenantComponents';
  -import TenantStorage from './TenantStorage';
  +import Constants from '../../utils/Constants';
  +import Cypher from '../../utils/Cypher';
  +import Logging from '../../utils/Logging';
  import Utils from '../../utils/Utils';
  -import fs from 'fs';
  -import global from '../../types/GlobalType';
  -import moment from 'moment';
  +import DatabaseUtils from './DatabaseUtils';
  +import TenantStorage from './TenantStorage';
  const MODULE_NAME = 'ChargingStationStorage';
  @@ -602,6 +603,7 @@ export default class ChargingStationStorage {
  // Read DB
  const parametersMDB = await global.database.getCollection<ChargingStationOcppParameters>(tenantID, 'configurations')
  .findOne({ '_id': id });
  + if (parametersMDB) {
  // Sort
  if (parametersMDB.configuration) {
  parametersMDB.configuration.sort((param1, param2) => {
  @@ -621,6 +623,12 @@ export default class ChargingStationStorage {
  result: parametersMDB.configuration
  };
  }
  + // No conf
  + return {
  + count: 0,
  + result: []
  + };
  + }
  public static async getChargingProfile(tenantID: string, id: string): Promise<ChargingProfile> {
  // Debug
  