diff --git a/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayGroupManager.java b/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayGroupManager.java
index 0857897..b77d6ca 100644
--- a/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayGroupManager.java
+++ b/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayGroupManager.java
@@ -121,28 +121,31 @@ public class LiferayGroupManager implements GroupManager {
 	public VirtualGroup getVirtualGroup(long actualGroupId) throws GroupRetrievalFault, VirtualGroupNotExistingException {
 		VirtualGroup toReturn = new VirtualGroup();
 		try {
-			_log.debug("Setting Thread Permission");
 			long userId = LiferayUserManager.getAdmin().getUserId();
 			PrincipalThreadLocal.setName(userId);
 			PermissionChecker permissionChecker = PermissionCheckerFactoryUtil.create(UserLocalServiceUtil.getUser(userId));
 			PermissionThreadLocal.setPermissionChecker(permissionChecker); 
 			Group site = GroupLocalServiceUtil.getGroup(actualGroupId);
+			_log.debug("Set Thread Permission done, getVirtual Group of " + site.getName());
 			if (site.getExpandoBridge().getAttribute(CustomAttributeKeys.VIRTUAL_GROUP.getKeyName()) == null ||  site.getExpandoBridge().getAttribute(CustomAttributeKeys.VIRTUAL_GROUP.getKeyName()).equals("")) {
 				String warningMessage = String.format("Attribute %s not initialized.", CustomAttributeKeys.VIRTUAL_GROUP.getKeyName());
 				_log.warn(warningMessage); 
 				throw new VirtualGroupNotExistingException(warningMessage);
 			} else {
 				String[] values = (String[]) site.getExpandoBridge().getAttribute(CustomAttributeKeys.VIRTUAL_GROUP.getKeyName());  
-				if (values != null) {
+				if (values != null && values.length > 0) {
 					String[] splits = values[0].split("\\|");
 					toReturn.setName(splits[0]);
 					toReturn.setDescription(splits[1]);
+				} else {
+					toReturn.setName("NoVirtualGroupAssigned");
+					toReturn.setDescription("NoVirtualGroupDescription");
 				}
 			}
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
-		return null;
+		return toReturn;
 	}
 	/**
 	 * {@inheritDoc}