diff --git a/pom.xml b/pom.xml
index 0597c61..a0304b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
 	<groupId>org.gcube.portlets.user</groupId>
 	<artifactId>workspace-tree-widget</artifactId>
-	<version>6.16.0-SNAPSHOT</version>
+	<version>6.16.1-SNAPSHOT</version>
 	<name>gCube Workspace Tree Widget</name>
 	<description>
 		gCube Workspace Tree Widget is a widget to navigate and interact with gCube Workspace 
diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
index 76141fd..d73499a 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
@@ -3891,8 +3891,11 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 			WorkspaceItem item = workspace.getItem(itemId);
 			if(item instanceof WorkspaceFolder){
 				WorkspaceFolder folder = (WorkspaceFolder) item;
+
 				if(setPublic){
-					folder.setPublic(true);
+					if(!folder.isPublic())
+						folder.setPublic(true);
+
 					String folderId = item.getId();
 					workspaceLogger.info("HL returning folder link id: "+folderId);
 					ApplicationProfileReader apReader = new ApplicationProfileReader("Workspace-Explorer-App", "org.gcube.portlets.user.workspaceexplorerapp.server.WorkspaceExplorerAppServiceImpl");
@@ -3921,7 +3924,10 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 				throw new NoGcubeItemTypeException("The item is not a Gcube Item");
 
 		} catch (NoGcubeItemTypeException e){
-			workspaceLogger.error("Error in server FormattedGcubeItemProperties: ", e);
+			workspaceLogger.error("Error in server: ", e);
+			throw new Exception(e.getMessage());
+		} catch (InsufficientPrivilegesException e) {
+			workspaceLogger.error("Error in server: ", e);
 			throw new Exception(e.getMessage());
 		} catch (Exception e) {
 			workspaceLogger.error("Error in server markFolderAsPublicForFolderItemId: ", e);