Vue Error: Uncaught (in promise) TypeError cannot read properties of null (reading ‘Address’)

there is an error on clicking on the map is triggered in, time. arrives in Promise, null. Explain why this is happening? Thank you in advance:

onMapClick(e) {
    if (e.latlng) {
    this.post("/api/MapObjectItem/GetObjectInfoByLatLng", {
      Lat: e.latlng.lat,
      Lng: e.latlng.lng
    }).then(result => {
      if (this.jkh.isCreateEvent) {
        this.jkh.selectedMessage = {
          Address: result.Address,
          Lat: result.Lat,
          Lon: result.Lng,
          UsersDataID: this.$auth.user.Id,
          ObjectID: result.Id,
          ToPublish: false
        };
        this.$refs.map.mapObject.setView([result.Lat, result.Lng], 18);
        this.showDetails();
      } else {
        this.obj = result;
        this.changeView();
      }
    });
  }

This Error Promise