diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java
index 1ce4008..528de4d 100644
--- a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java
+++ b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java
@@ -64,6 +64,7 @@ import org.gcube.portlets.user.geoportaldataviewer.shared.gis.BaseMapLayer;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
 
+import com.github.gwtbootstrap.client.ui.Modal;
 import com.github.gwtbootstrap.client.ui.Popover;
 import com.github.gwtbootstrap.client.ui.constants.Placement;
 import com.google.gwt.core.client.EntryPoint;
@@ -362,7 +363,7 @@ public class GeoportalDataViewer implements EntryPoint {
 
 				if (!ucdIds.contains(collId)) {
 					GWT.log("!! Collection " + collId + " is not available");
-					Window.alert("Collection " + collId + " is not found.");
+					Window.alert("Collection " + collId + " not found.");
 				} else {
 					GCubeCollection toOpen = theConfig.getAvailableCollections().get(collId);
 
@@ -449,9 +450,22 @@ public class GeoportalDataViewer implements EntryPoint {
 
 							@Override
 							public void onFailure(Throwable caught) {
-								Window.alert(caught.getMessage());
+								// Window.alert(caught.getMessage());
 								mainPanel.hidePanelDetails();
 
+								Modal errorModal = new Modal(true, true);
+								errorModal.setCloseVisible(true);
+								errorModal.setTitle("Oops...");
+								Image geoportalError = new Image(GNAImages.ICONS.warningError());
+								FlowPanel errorPanelMsg = new FlowPanel();
+								errorPanelMsg.getElement().addClassName("general_warning");
+								errorPanelMsg.add(geoportalError);
+								errorPanelMsg.add(new HTML("D4S GeoPortal"));
+								HTML erroMessage = new HTML(
+										"Oops something went wrong, either the project does not exist or it has not been published yet");
+								errorPanelMsg.add(erroMessage);
+								errorModal.add(errorPanelMsg);
+								errorModal.show();
 							}
 
 							@Override
@@ -779,8 +793,9 @@ public class GeoportalDataViewer implements EntryPoint {
 		//console.log("jsonObj: "+jsonObj);
 		return jsonObj;
 	}-*/;
+
 //	/**
-//	 * Handler popu closer.
+//	 * Handler popup closer.
 //	 *
 //	 * @param divId     the div id
 //	 * @param overlayId the overlay id
diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java
index ca3623a..9d7d153 100644
--- a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java
+++ b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java
@@ -642,7 +642,7 @@ public abstract class OpenLayerMap {
 
 		Style style = new Style();
 		StrokeOptions strokeOptions = new StrokeOptions();
-		strokeOptions.setColor(new Color(255, 255, 51, 0.8));
+		strokeOptions.setColor(new Color(255, 69, 0, 0.8));
 		strokeOptions.setWidth(5);
 		Stroke stroke = new Stroke(strokeOptions);
 		stroke.setWidth(2);
diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/GNAImages.java b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/GNAImages.java
index cabeb3f..511c501 100644
--- a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/GNAImages.java
+++ b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/GNAImages.java
@@ -59,7 +59,10 @@ public interface GNAImages extends ClientBundle {
 	@Source("spinner_clock.gif")
 	ImageResource spinnerClock();
 	
-	@Source("geoporta_error.png")
+	@Source("geoportal_error.png")
 	ImageResource geoportaServiceError();
+	
+	@Source("warning_error.png")
+	ImageResource warningError();
 
 }
diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/geoporta_error.png b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/geoportal_error.png
similarity index 100%
rename from src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/geoporta_error.png
rename to src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/geoportal_error.png
diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/warning_error.png b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/warning_error.png
new file mode 100644
index 0000000..801a01b
Binary files /dev/null and b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/warning_error.png differ
diff --git a/src/main/webapp/GeoportalDataViewer.css b/src/main/webapp/GeoportalDataViewer.css
index b0aa313..fb31c9b 100644
--- a/src/main/webapp/GeoportalDataViewer.css
+++ b/src/main/webapp/GeoportalDataViewer.css
@@ -720,11 +720,11 @@ Table Of Contents (TOC)
 	text-align: center;
 	font-size: 20px;
 	margin: 0;
-  position: absolute;
-  top: 50%;
+	position: absolute;
+	top: 50%;
 	width: 100%;
-  -ms-transform: translateY(-50%);
-  transform: translateY(-50%);
+	-ms-transform: translateY(-50%);
+	transform: translateY(-50%);
 }
 
 .general_error div {
@@ -732,6 +732,16 @@ Table Of Contents (TOC)
 }
 
 
+.general_warning {
+	text-align: center;
+	font-size: 20px;
+}
+
+.general_warning div {
+	padding: 20px;
+}
+
+
 /******************************
 RESPONSIVE
 *******************************/