message: Use charge point as optional
diff: @@ -154,8 +154,10 @@ export default class SiteAreaService {
  value: chargingStationID
  });
  }
  - for (const chargePoints of chargingStation.chargePoints) {
  - if (chargePoints.numberOfConnectedPhase !== 1 && siteArea.numberOfPhases === 1 && action === ServerAction.ADD_CHARGING_STATIONS_TO_SITE_AREA) {
  + for (const connector of chargingStation.connectors) {
  + const chargePoint = Utils.getChargePointFromID(chargingStation, connector.chargePointID);
  + const numberOfConnectedPhase = Utils.getNumberOfConnectedPhases(chargingStation, chargePoint, connector.connectorId);
  + if (numberOfConnectedPhase !== 1 && siteArea.numberOfPhases === 1 && action === ServerAction.ADD_CHARGING_STATIONS_TO_SITE_AREA) {
  throw new AppError({
  source: Constants.CENTRAL_SERVER,
  action: action,
  