diff --git a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java
index 3a0d900..1b28ce2 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java
@@ -23,6 +23,10 @@ import com.github.gwtbootstrap.client.ui.constants.AlertType;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.json.client.JSONArray;
+import com.google.gwt.json.client.JSONObject;
+import com.google.gwt.json.client.JSONParser;
+import com.google.gwt.json.client.JSONValue;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwt.user.client.ui.VerticalPanel;
@@ -148,7 +152,25 @@ public class CkanToZendoPublisherWidget {
 							Alert erroLabel = new Alert();
 							//erroLabel.setClose(false);
 							erroLabel.setType(AlertType.ERROR);
-							erroLabel.setText(caught.getLocalizedMessage());
+							String message = caught.getLocalizedMessage();
+							try {
+								//Trying to parse the JSON object to display only the message
+								JSONValue value = JSONParser.parseStrict(message);
+								GWT.log("value: "+value.toString());
+								JSONObject jsonObject = value.isObject();
+								if(jsonObject!=null) {
+									JSONArray array = (JSONArray) jsonObject.get("errors");
+									//GWT.log("array: "+array.toString());
+									JSONObject theErrorValue = (JSONObject) array.get(0);
+									//GWT.log("theErrorValue: "+theErrorValue.toString());
+									JSONValue theMessage = theErrorValue.get("message");
+									//GWT.log("message: "+message.toString());
+									message = "Error reported from Zenodo: " + theMessage.toString();
+								}
+							}catch (Exception e) {
+								//silent
+							}
+							erroLabel.setText(message);
 							showResults(Arrays.asList(erroLabel.asWidget()));
 						}
 
diff --git a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java
index a1cc1bd..a4b76e9 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java
@@ -57,6 +57,7 @@ public class CkanToZenodoPublisherServiceImpl extends RemoteServiceServlet imple
 				PortalUtils.getCurrentToken(this.getThreadLocalRequest(), true);
 			}
 			
+			
 			ZenodoDeposition zenodoDepositionPreview=loadItemPreviewFromService(zenodoItem.getName());
 			//(EVENTUALLY) UPDATING BASIC INFO CHANGED BY FORM ON CLIENT-SIDE
 			//Basic info
@@ -101,7 +102,7 @@ public class CkanToZenodoPublisherServiceImpl extends RemoteServiceServlet imple
 				    LOG.debug("Waiting for completed future computation (publishing of resources on Zenodo)...");
 				    Thread.sleep(2000);
 				}
-				zenodoDepositionPreview = future_Dep.get(180,TimeUnit.SECONDS);
+				zenodoDepositionPreview = future_Dep.get(600,TimeUnit.SECONDS);
 			}
 			
 			// Get the item representation
@@ -111,15 +112,18 @@ public class CkanToZenodoPublisherServiceImpl extends RemoteServiceServlet imple
 			zenodoDepositionPreview = client.publish(zenodoDepositionPreview, item);
 			return zenodoDepositionPreview.getDoi();
 			
+			//throw new ZenodoException();
+			
 		}catch (TimeoutException e) {
-			String error = "I'm waiting too time for publishing on Zenodo the catalogue item: "+zenodoItem.getName()+". Check by yourself the result later";
+			String error = "I'm waiting too time to upload the files to Zenodo. Check by yourself the result later";
 			LOG.error(error, e);
 			String clientError = String.format("%s", error);
 			throw new Exception(clientError);
 		} catch (ZenodoException e) {
 			String error = "ZenodoException during upload to Zenodo the catalogue item: "+zenodoItem.getName();
 			LOG.error(error, e);
-			String clientError = String.format("%s", e.getMessage());
+			String clientError = String.format("%s", e.getRemoteMessage());
+			clientError = "{\"status\": 400, \"message\": \"Validation error.\", \"errors\": [{\"field\": null, \"message\": \"New version's files must differ from all previous versions.\", \"code\": 10}]}";
 			throw new Exception(clientError);
 		} catch (Exception e) {
 			String error = "Error during upload to Zenodo the catalogue item: "+zenodoItem.getName();