title: ....Uncaught TypeError: Cannot read property '__e3_' of null
body: <p>I have an error that says </p>
  
  <blockquote>
    <p>Uncaught TypeError: Cannot read property '__e3_' of null js?v=3.exp&amp;key=AIzaSyDwehIgJvLsANnWEDppiUFr4Srk2G2M5IE&amp;sensor=false&amp;libraries=drawing,places:35</p>
  </blockquote>
  
  <p>When I investigate, it takes me to this part of my code </p>
  
  <pre><code>google.maps.event.addListenerOnce(map, 'tilesloaded', function () {
  </code></pre>
  
  <p>Here is my code:</p>
  
  <pre><code>function initialize() {
  
             var mzansi = new google.maps.LatLng(-28.2751829172523, 25.0430317799304);
             var mapOptions = {
                 center: mzansi,
                 defaults: {
                     icon: 'red_dot.png',
                     shadow: 'dot_shadow.png',
                     editable: true,
                     strokeColor: '#990000',
                     fillColor: '#EEFFCC',
                     fillOpacity: 0.6
                 },
                 disableDefaultUI: true,
                 mapTypeControl: true,
                 mapTypeId: google.maps.MapTypeId.ROADMAP,
                 mapTypeControlOptions: {
                     position: google.maps.ControlPosition.TOP_LEFT,
                     style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
                 },
                 panControl: false,
                 streetViewControl: false,
                 zoom: 6,
                 zoomControl: true,
                 zoomControlOptions: {
                     position: google.maps.ControlPosition.LEFT_TOP,
                     style: google.maps.ZoomControlStyle.SMALL
                 }
             }
  
  
             $('#tabNavigationDiv').tabs({
                 border: true,
                 onSelect: function (value) {
  
                         switch (value) {
                             case "Subscription List":
                                 selectedDayTab = 1;
                                 if (SubscriptionMap == null) {
                                     SubscriptionMap = new google.maps.Map(document.getElementById('SubscriptionListMap'), mapOptions);
                                 }
                                 else {
                                     google.maps.event.trigger(SubscriptionMap, 'resize');
                                 }
  
                                 break;
                             case "Predefined Location List":
                                 selectedDayTab = 2;
                                 if (PredefinedMap == null) {
                                     PredefinedMap = new google.maps.Map(document.getElementById('PredefinedLocationListMap'), mapOptions);
                                 }
                                 else {
                                     google.maps.event.trigger(PredefinedMap, 'resize');
                                 }
  
                                 break;
                             case "Predefined Location":
                                 selectedDayTab = 3;
                                 if (map == null) {
                                     map = new google.maps.Map(document.getElementById('PredefinedLocationMap'), mapOptions);
                                 }
                                 else {
                                     google.maps.event.trigger(map, 'resize');
                                 }
  
                                 break;
  
                         }
                 }
             }).tabs('tabs');
  
  
             google.maps.event.addListenerOnce(map, 'tilesloaded', function () {
                 RSABounds = map.getBounds();
                 console.log(RSABounds)
  
                 $(searchLocation).autocomplete({
                     source: function (request, response) {
  
                         if (geocoder == null) {
                             geocoder = new google.maps.Geocoder();
                         }
  
                         geocoder.geocode({
                             'address': request.term, bounds: RSABounds
                         }, function (results, status) {
                             if (status == google.maps.GeocoderStatus.OK) {
  
                                 /* map.setCenter(results[0].geometry.location);
                                  var marker = new google.maps.Marker({
                                      map: map,
                                      position: results[0].geometry.location
                                  });*/
  
  
                                 map.setZoom(20);
  
                                 var searchLoc = results[0].geometry.location;
                                 var lat = results[0].geometry.location.lat();
                                 var lng = results[0].geometry.location.lng();
                                 var latlng = new google.maps.LatLng(lat, lng);
                                 var bounds = results[0].geometry.bounds;
  
                                 geocoder.geocode({
                                     'latLng': latlng
                                 }, function (results1, status1) {
                                     if (status1 == google.maps.GeocoderStatus.OK) {
                                         if (results1[1]) {
                                             response($.map(results1, function (loc) {
                                                 return {
                                                     label: loc.formatted_address,
                                                     value: loc.formatted_address,
                                                     bounds: loc.geometry.bounds
                                                 }
                                             }));
                                         }
                                     }
                                 });
                             }
                         });
                     },
                     select: function (event, ui) {
                         var pos = ui.item.position;
                         var lct = ui.item.locType;
                         var bounds = ui.item.bounds;
  
                         if (bounds) {
                             map.fitBounds(bounds);
                         }
                     }
                 });
             });
  
             //    searchBox = new google.maps.places.SearchBox(document.getElementById('description'));
             searchBox = new google.maps.places.SearchBox(document.getElementById('searchLocation'));
  
             google.maps.event.addListener(searchBox, 'places_changed', function () {
                 searchBox.set('map', null);
  
                 var places = searchBox.getPlaces();
  
                 var bounds = new google.maps.LatLngBounds();
                 var i, place;
                 for (i = 0; place = places[i]; i++) {
                     (function (place) {
                         var marker = new google.maps.Marker({
                             position: place.geometry.location
                         });
                         var circle = new google.maps.Circle({
                             map: map,
                             radius: 16093,    // 10 miles in metres
                             fillColor: '#AA0000'
                         });
                         circle.bindTo('center', marker, 'position');
                         marker.bindTo('map', searchBox, 'map');
                         google.maps.event.addListener(marker, 'map_changed', function () {
                             if (!this.getMap()) {
                                 this.unbindAll();
                             }
                         });
                         bounds.extend(place.geometry.location);
  
                     }(place));
                 }
                 map.fitBounds(bounds);
                 searchBox.set('map', map);
                 map.setZoom(Math.min(map.getZoom(), 12));
  
             });
  
             google.maps.event.addListener(map, 'tilesloaded', function () {
  
             });
  
             map.drawingManager = new google.maps.drawing.DrawingManager({
                 drawingControlOptions: {
                     position: google.maps.ControlPosition.TOP_CENTER,
                     drawingModes: [
                      /* google.maps.drawing.OverlayType.MARKER,
                         google.maps.drawing.OverlayType.POLYLINE,
                         google.maps.drawing.OverlayType.POLYGON,*/
                         google.maps.drawing.OverlayType.RECTANGLE
                     ]
                 },
                 /* markerOptions: map.defaults,
                  polygonOptions: map.defaults,
                  polylineOptions: map.defaults,*/
                 rectangleOptions: map.defaults
  
             });
  
             map.drawingManager.setMap(map);
             google.maps.event.addListener(map.drawingManager, 'overlaycomplete', function (event) {
                 var wkt;
  
                 //app.clearText();
  
                 clearMap();
                 arrayOverlays.push(event.overlay);
  
                 wkt = new Wkt.Wkt();
                 wkt.fromObject(event.overlay);
  
                 var myGeometry = wkt.write();
  
                 viewModel.location_geom(myGeometry);
                 //  viewModel.radius(myGeometry);
  
                 console.log(myGeometry);
  
             });
  
             }
         }
  </code></pre>