diff --git a/.settings/org.eclipse.wst.common.component b/.settings/org.eclipse.wst.common.component
index 965dfdd..81ae134 100644
--- a/.settings/org.eclipse.wst.common.component
+++ b/.settings/org.eclipse.wst.common.component
@@ -5,7 +5,7 @@
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/target/generated-sources/gwt"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
-        <dependent-module archiveName="workspace-tree-widget-6.7.2-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/workspace-tree-widget-TRUNK-6.7.2-SNAPSHOT/workspace-tree-widget-TRUNK-6.7.2-SNAPSHOT">
+        <dependent-module archiveName="workspace-tree-widget-6.8.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/workspace-tree-widget-TRUNK-6.7.2-SNAPSHOT/workspace-tree-widget-TRUNK-6.7.2-SNAPSHOT">
             <dependency-type>uses</dependency-type>
         </dependent-module>
         <dependent-module archiveName="workspace-sharing-widget-1.3.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/workspace-sharing-widget-TRUNK-1.3.0-SNAPSHOT/workspace-sharing-widget-TRUNK-1.3.0-SNAPSHOT">
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
index 2e3acf8..2ddf575 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
@@ -1128,7 +1128,7 @@ public class AppController implements SubscriberInterface {
 
 		final String searchParameter = Window.Location.getParameter(ConstantsPortlet.GET_SEARCH_PARAMETER);
 		final String itemIdParameter = Window.Location.getParameter(ConstantsPortlet.GET_ITEMID_PARAMETER);
-		final String operationParameter = Window.Location.getParameter(ConstantsPortlet.GET_OPEARATION_PARAMETER);
+		final String operationParameter = Window.Location.getParameter(ConstantsPortlet.GET_OPERATION_PARAMETER);
 		final String validateSession = Window.Location.getParameter(ConstantsPortlet.GET_VALIDATE_SESSION);
 
 		boolean sessionValidating = true;
@@ -1138,7 +1138,7 @@ public class AppController implements SubscriberInterface {
 
 		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_SEARCH_PARAMETER+": "+searchParameter);
 		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_ITEMID_PARAMETER+": "+itemIdParameter);
-		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_OPEARATION_PARAMETER+": "+operationParameter);
+		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_OPERATION_PARAMETER+": "+operationParameter);
 		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_VALIDATE_SESSION+": "+validateSession);
 
 		final boolean instanceWithGrouping = readCookieWorkspaceGridViewSetting();
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java b/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java
index d544a1e..9fa0243 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java
@@ -22,7 +22,7 @@ public class ConstantsPortlet {
 	//USED IN HTTP GET AS PARAMETERS
 	public static final String GET_SEARCH_PARAMETER ="search";
 	public static final String GET_ITEMID_PARAMETER ="itemid";
-	public static final String GET_OPEARATION_PARAMETER ="operation";
+	public static final String GET_OPERATION_PARAMETER ="operation";
 	public static final String GET_VALIDATE_SESSION="validatesession";
 	
 	// Div Gwt