message: Fixed cannot save Site Area with single phase
diff: -import { Action, Entity } from '../../../types/Authorization';
  -import { HTTPAuthError, HTTPError } from '../../../types/HTTPError';
  import { NextFunction, Request, Response } from 'express';
  +import moment from 'moment';
  -import { ActionsResponse } from '../../../types/GlobalType';
  +import Authorizations from '../../../authorization/Authorizations';
  import AppAuthError from '../../../exception/AppAuthError';
  import AppError from '../../../exception/AppError';
  +import SmartChargingFactory from '../../../integration/smart-charging/SmartChargingFactory';
  +import LockingHelper from '../../../locking/LockingHelper';
  +import LockingManager from '../../../locking/LockingManager';
  import AssetStorage from '../../../storage/mongodb/AssetStorage';
  -import Authorizations from '../../../authorization/Authorizations';
  -import { ChargingProfilePurposeType } from '../../../types/ChargingProfile';
  import ChargingStationStorage from '../../../storage/mongodb/ChargingStationStorage';
  -import Constants from '../../../utils/Constants';
  import ConsumptionStorage from '../../../storage/mongodb/ConsumptionStorage';
  -import LockingHelper from '../../../locking/LockingHelper';
  -import LockingManager from '../../../locking/LockingManager';
  -import Logging from '../../../utils/Logging';
  -import OCPPUtils from '../../ocpp/utils/OCPPUtils';
  -import { ServerAction } from '../../../types/Server';
  -import SiteArea from '../../../types/SiteArea';
  -import SiteAreaSecurity from './security/SiteAreaSecurity';
  import SiteAreaStorage from '../../../storage/mongodb/SiteAreaStorage';
  import SiteStorage from '../../../storage/mongodb/SiteStorage';
  -import SmartChargingFactory from '../../../integration/smart-charging/SmartChargingFactory';
  +import { Action, Entity } from '../../../types/Authorization';
  +import { ChargingProfilePurposeType } from '../../../types/ChargingProfile';
  +import { ActionsResponse } from '../../../types/GlobalType';
  +import { HTTPAuthError, HTTPError } from '../../../types/HTTPError';
  +import { ServerAction } from '../../../types/Server';
  +import SiteArea from '../../../types/SiteArea';
  import TenantComponents from '../../../types/TenantComponents';
  +import Constants from '../../../utils/Constants';
  +import Logging from '../../../utils/Logging';
  import Utils from '../../../utils/Utils';
  +import OCPPUtils from '../../ocpp/utils/OCPPUtils';
  +import SiteAreaSecurity from './security/SiteAreaSecurity';
  import UtilsService from './UtilsService';
  -import moment from 'moment';
  const MODULE_NAME = 'SiteAreaService';
  @@ -469,14 +469,15 @@ export default class SiteAreaService {
  siteArea.maximumPower = filteredRequest.maximumPower;
  siteArea.voltage = filteredRequest.voltage;
  if (filteredRequest.smartCharging && filteredRequest.numberOfPhases === 1) {
  - for (const charger of siteArea.chargingStations) {
  - for (const connector of charger.connectors) {
  - if (connector.numberOfConnectedPhase !== 1) {
  + for (const chargingStation of siteArea.chargingStations) {
  + for (const connector of chargingStation.connectors) {
  + const numberOfPhases = Utils.getNumberOfConnectedPhases(chargingStation, null, connector.connectorId);
  + if (numberOfPhases !== 1) {
  throw new AppError({
  source: Constants.CENTRAL_SERVER,
  action: action,
  errorCode: HTTPError.THREE_PHASE_CHARGER_ON_SINGLE_PHASE_SITE_AREA,
  - message: `'Error occurred while updating SiteArea.'${charger.id}' is not single phased`,
  + message: `'Error occurred while updating SiteArea.'${chargingStation.id}' is not single phased`,
  module: MODULE_NAME, method: 'handleUpdateSiteArea',
  user: req.user
  });
  