diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
index 6d39599..1f1eae0 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
@@ -886,8 +886,8 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 			return State.IN_PROGRESS;
 		case SUCCEDED:
 			return State.SUCCEDED;
-		case FALLBACK:
-			return State.FAILED;
+		case STOPPED:
+			return State.STOPPED;
 		default:
 			return State.FAILED;
 		}
@@ -955,6 +955,8 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 							}
 							importMonitor.setProgress(task.getProgress());
 							break;
+						case STOPPED:
+							break;
 						case ABORTED:
 							break;
 						case WAITING:
@@ -1312,6 +1314,8 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 									csvImportTabResource);
 							SessionUtil.setTRId(session, trId);
 							break;
+						case STOPPED:
+							break;
 						case IN_PROGRESS:
 							importMonitor.setProgress(task.getProgress());
 							break;
@@ -1771,6 +1775,8 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 								.format(exportMetadata.getExportDate()));
 						exportMonitor.setTabExportMetadata(tabExportMetadata);
 						break;
+					case STOPPED:
+						break;
 					case IN_PROGRESS:
 						exportMonitor.setProgress(task.getProgress());
 						break;
@@ -1934,6 +1940,8 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 						break;
 					case ABORTED:
 						break;
+					case STOPPED:
+						break;
 					case INITIALIZING:
 						break;
 					case WAITING:
diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/task/State.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/task/State.java
index 364e24a..8d5a9a9 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/task/State.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/task/State.java
@@ -16,6 +16,7 @@ public enum State implements Serializable{
 	IN_PROGRESS,
 	SUCCEDED,
 	FAILED,
-	ABORTED;
+	ABORTED,
+	STOPPED;
 	
 }
diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/tr/ColumnTypeCode.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/tr/ColumnTypeCode.java
deleted file mode 100644
index 2338bb2..0000000
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/tr/ColumnTypeCode.java
+++ /dev/null
@@ -1,45 +0,0 @@
-package org.gcube.portlets.user.td.gwtservice.shared.tr;
-
-import java.io.Serializable;
-
-/**
- * 
- * @author "Giancarlo Panichi" 
- * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
- *
- */
-public class ColumnTypeCode implements Serializable {
-	
-	private static final long serialVersionUID = -564910517277612291L;
-	
-	protected String id; // For insert in table only
-	protected org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnTypeCode code;
-	
-	public String getId() {
-		return id;
-	}
-	
-	public void setId(String id) {
-		this.id = id;
-	}
-	
-	public org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnTypeCode getCode() {
-		return code;
-	}
-	public void setCode(
-			org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnTypeCode code) {
-		this.code = code;
-	}
-	
-	public String getLabel() {
-		return code.getColumnTypeCodeLabel();
-	}
-
-	@Override
-	public String toString() {
-		return "ColumnTypeCode [id=" + id + ", code=" + code + ", getLabel()="
-				+ getLabel() + "]";
-	}
-	
-	
-}