diff --git a/build.xml b/build.xml
index 63bc9e2..6bcae7b 100644
--- a/build.xml
+++ b/build.xml
@@ -27,6 +27,10 @@
   <property name="ivy.jar.dir" value="${ivy.home}/lib"/>
   <property name="ivy.jar.file" value="${ivy.jar.dir}/ivy.jar"/>
 
+  <fileset id="plugin.requires.jars" dir="${plugin.dist.dir}">
+    <include name="utilsplugin2.jar"/>
+  </fileset>
+
   <target name="download-ivy">
     <mkdir dir="${ivy.jar.dir}"/>
     <get src="https://jcenter.bintray.com/org/apache/ivy/ivy/2.4.0/ivy-2.4.0.jar" dest="${ivy.jar.file}" usetimestamp="true" ignoreerrors="true"/>
diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIAction.java b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIAction.java
index 94bf82f..2141968 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIAction.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIAction.java
@@ -20,6 +20,7 @@ import org.openstreetmap.josm.data.Bounds;
 import org.openstreetmap.josm.data.osm.DataSet;
 import org.openstreetmap.josm.gui.MainApplication;
 import org.openstreetmap.josm.gui.Notification;
+import org.openstreetmap.josm.gui.layer.Layer;
 import org.openstreetmap.josm.gui.layer.OsmDataLayer;
 import org.openstreetmap.josm.plugins.mapwithai.MapWithAIPlugin;
 import org.openstreetmap.josm.tools.Shortcut;
@@ -39,8 +40,26 @@ public class MapWithAIAction extends JosmAction {
     @Override
     public void actionPerformed(ActionEvent event) {
         if (isEnabled()) {
-            MapWithAIDataUtils.getMapWithAIData(MapWithAIDataUtils.getLayer(true));
-            createMessageDialog();
+            final boolean hasLayer = MapWithAIDataUtils.getLayer(false) != null;
+            if (MapWithAIDataUtils.getMapWithAIData(MapWithAIDataUtils.getLayer(true))) {
+                createMessageDialog();
+            } else if (hasLayer) {
+                toggleLayer();
+            }
+        }
+    }
+
+    private static void toggleLayer() {
+        final OsmDataLayer mapwithai = MapWithAIDataUtils.getLayer(false);
+        final OsmDataLayer osmData = MainApplication.getLayerManager().getLayersOfType(OsmDataLayer.class).stream()
+                .filter(layer -> !(layer instanceof MapWithAILayer)).findFirst().orElse(null);
+        final Layer currentLayer = MainApplication.getLayerManager().getActiveLayer();
+        if (currentLayer != null) {
+            if (currentLayer.equals(mapwithai) && osmData != null) {
+                MainApplication.getLayerManager().setActiveLayer(osmData);
+            } else if (currentLayer.equals(osmData) && mapwithai != null) {
+                MainApplication.getLayerManager().setActiveLayer(mapwithai);
+            }
         }
     }
 
diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIDataUtils.java b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIDataUtils.java
index 925254e..8e1eec1 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIDataUtils.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIDataUtils.java
@@ -182,15 +182,20 @@ public final class MapWithAIDataUtils {
      * Get data for a {@link MapWithAILayer}
      *
      * @param layer The {@link MapWithAILayer} to add data to
+     * @return true if data was downloaded
      */
-    public static void getMapWithAIData(MapWithAILayer layer) {
+    public static boolean getMapWithAIData(MapWithAILayer layer) {
         final List<OsmDataLayer> osmLayers = MainApplication.getLayerManager().getLayersOfType(OsmDataLayer.class)
                 .stream().filter(obj -> !MapWithAILayer.class.isInstance(obj)).collect(Collectors.toList());
+        boolean gotData = false;
         for (final OsmDataLayer osmLayer : osmLayers) {
             if (!osmLayer.isLocked()) {
-                getMapWithAIData(layer, osmLayer);
+                if (getMapWithAIData(layer, osmLayer)) {
+                    gotData = true;
+                }
             }
         }
+        return gotData;
     }
 
     /**
@@ -198,9 +203,10 @@ public final class MapWithAIDataUtils {
      *
      * @param layer    A pre-existing {@link MapWithAILayer}
      * @param osmLayer The osm datalayer with a set of bounds
+     * @return true if data was downloaded
      */
-    public static void getMapWithAIData(MapWithAILayer layer, OsmDataLayer osmLayer) {
-        getMapWithAIData(layer,
+    public static boolean getMapWithAIData(MapWithAILayer layer, OsmDataLayer osmLayer) {
+        return getMapWithAIData(layer,
                 osmLayer.getDataSet().getDataSourceBounds().stream().map(Bounds::toBBox).collect(Collectors.toList()));
     }
 
@@ -209,9 +215,10 @@ public final class MapWithAIDataUtils {
      *
      * @param layer  A pre-existing {@link MapWithAILayer}
      * @param bboxes The bboxes to get the data in
+     * @return true if data was downloaded
      */
-    public static void getMapWithAIData(MapWithAILayer layer, BBox... bboxes) {
-        getMapWithAIData(layer, Arrays.asList(bboxes));
+    public static boolean getMapWithAIData(MapWithAILayer layer, BBox... bboxes) {
+        return getMapWithAIData(layer, Arrays.asList(bboxes));
     }
 
     /**
@@ -219,8 +226,9 @@ public final class MapWithAIDataUtils {
      *
      * @param layer  A pre-existing {@link MapWithAILayer}
      * @param bboxes The bboxes to get the data in
+     * @return true if data was downloaded
      */
-    public static void getMapWithAIData(MapWithAILayer layer, Collection<BBox> bboxes) {
+    public static boolean getMapWithAIData(MapWithAILayer layer, Collection<BBox> bboxes) {
         final DataSet mapWithAISet = layer.getDataSet();
         final List<BBox> mapWithAIBounds = mapWithAISet.getDataSourceBounds().stream().map(Bounds::toBBox)
                 .collect(Collectors.toList());
@@ -228,16 +236,19 @@ public final class MapWithAIDataUtils {
                 .filter(bbox -> mapWithAIBounds.stream().noneMatch(tBBox -> tBBox.bounds(bbox)))
                 .collect(Collectors.toList());
         final List<BBox> toDownload = reduceBBox(mapWithAIBounds, editSetBBoxes);
-        getForkJoinPool().execute(() -> {
-            final DataSet newData = getData(toDownload);
-            final Lock lock = layer.getLock();
-            lock.lock();
-            try {
-                layer.mergeFrom(newData);
-            } finally {
-                lock.unlock();
-            }
-        });
+        if (!toDownload.isEmpty()) {
+            getForkJoinPool().execute(() -> {
+                final DataSet newData = getData(toDownload);
+                final Lock lock = layer.getLock();
+                lock.lock();
+                try {
+                    layer.mergeFrom(newData);
+                } finally {
+                    lock.unlock();
+                }
+            });
+        }
+        return !toDownload.isEmpty();
     }
 
     private static List<BBox> reduceBBox(List<BBox> alreadyDownloaded, List<BBox> wantToDownload) {
diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIPreferenceHelper.java b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIPreferenceHelper.java
index 69c95ea..ab6d43c 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIPreferenceHelper.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/MapWithAIPreferenceHelper.java
@@ -197,7 +197,7 @@ public final class MapWithAIPreferenceHelper {
     }
 
     /**
-     * @return A map of tags to replacement tags (use {@link Tag.ofString} to parse)
+     * @return A map of tags to replacement tags (use {@link Tag#ofString} to parse)
      */
     public static Map<String, String> getReplacementTags() {
         final Map<String, String> defaultMap = Collections.emptyMap();
diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/OsmReaderCustom.java b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/OsmReaderCustom.java
index e880041..cc192b6 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/OsmReaderCustom.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/backend/OsmReaderCustom.java
@@ -41,7 +41,6 @@ public class OsmReaderCustom extends OsmReader {
      * @param source the source input stream. Must not be null.
      * @param progressMonitor the progress monitor. If null, {@link NullProgressMonitor#INSTANCE} is assumed
      * @param convertUnknownToTags true if unknown xml attributes should be kept as tags
-     * @param saveOriginalId if true, keep the original id (as a tag, "current_id")
      *
      * @return the dataset with the parsed data
      * @throws IllegalDataException if an error was found while parsing the data from the source
diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/commands/MergeDuplicateWays.java b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/commands/MergeDuplicateWays.java
index 69f27b1..a0f899e 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapwithai/commands/MergeDuplicateWays.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapwithai/commands/MergeDuplicateWays.java
@@ -117,8 +117,8 @@ public class MergeDuplicateWays extends Command {
     /**
      * Check for ways that are (partial) duplicates, and if so merge them
      *
-     * @param way A way to check
-     * @return non-null command if there are duplicate ways
+     * @param way      A way to check
+     * @param commands A list of commands to add to
      */
     public static void checkForDuplicateWays(Way way, List<Command> commands) {
         final Collection<Way> nearbyWays = way.getDataSet().searchWays(way.getBBox());
@@ -294,7 +294,7 @@ public class MergeDuplicateWays extends Command {
      *
      * @param way1 An initial way with nodes
      * @param way2 A way that may have duplicate nodes with way1
-     * @return A map of node -> node(s) duplicates
+     * @return A map of node -&gt; node(s) duplicates
      */
     public static Map<Pair<Integer, Node>, Map<Integer, Node>> getDuplicateNodes(Way way1, Way way2) {
         final Map<Pair<Integer, Node>, Map<Integer, Node>> duplicateNodes = new LinkedHashMap<>();