diff --git a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultGroupManager.java b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultGroupManager.java
index 6adddba..55c3b5e 100644
--- a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultGroupManager.java
+++ b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultGroupManager.java
@@ -41,7 +41,7 @@ private final ProxyDelegate<GXWebTargetAdapterRequest> delegate;
 					if (response.hasException()) 
 						throw response.getException();
 					else if (response.getHTTPCode()==403)
-							throw new UserNotAuthorizedException("the call to this methdo is not allowed for the user");
+							throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
 					else
 						throw new BackendGenericError();
 				}
@@ -73,7 +73,7 @@ private final ProxyDelegate<GXWebTargetAdapterRequest> delegate;
 					if (response.hasException()) 
 						throw response.getException();
 					else if (response.getHTTPCode()==403)
-							throw new UserNotAuthorizedException("the call to this methdo is not allowed for the user");
+							throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
 					else
 						throw new BackendGenericError();
 				}
@@ -105,7 +105,7 @@ private final ProxyDelegate<GXWebTargetAdapterRequest> delegate;
 					if (response.hasException()) 
 						throw response.getException();
 					else if (response.getHTTPCode()==403)
-							throw new UserNotAuthorizedException("the call to this methdo is not allowed for the user");
+							throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
 					else
 						throw new BackendGenericError();
 				}
@@ -137,7 +137,7 @@ private final ProxyDelegate<GXWebTargetAdapterRequest> delegate;
 					if (response.hasException()) 
 						throw response.getException();
 					else if (response.getHTTPCode()==403)
-							throw new UserNotAuthorizedException("the call to this methdo is not allowed for the user");
+							throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
 					else
 						throw new BackendGenericError();
 				}
@@ -177,7 +177,7 @@ private final ProxyDelegate<GXWebTargetAdapterRequest> delegate;
 						if (response.hasException()) 
 							throw response.getException();
 						else if (response.getHTTPCode()==403)
-								throw new UserNotAuthorizedException("the call to this methdo is not allowed for the user");
+								throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
 						else
 							throw new BackendGenericError();
 					}
diff --git a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultUserManager.java b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultUserManager.java
index d98294e..8441c12 100644
--- a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultUserManager.java
+++ b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultUserManager.java
@@ -13,11 +13,12 @@ import org.gcube.common.gxrest.request.GXWebTargetAdapterRequest;
 import org.gcube.common.gxrest.response.inbound.GXInboundResponse;
 import org.gcube.common.storagehub.model.exceptions.BackendGenericError;
 import org.gcube.common.storagehub.model.exceptions.StorageHubException;
+import org.gcube.common.storagehub.model.exceptions.UserNotAuthorizedException;
 
 public class DefaultUserManager implements UserManagerClient {
 
 	private final ProxyDelegate<GXWebTargetAdapterRequest> delegate;
-	
+
 	public DefaultUserManager(ProxyDelegate<GXWebTargetAdapterRequest> delegate) {
 		this.delegate = delegate;
 	}
@@ -32,16 +33,19 @@ public class DefaultUserManager implements UserManagerClient {
 				MultivaluedMap<String, Object> formData = new MultivaluedHashMap<String, Object>();
 				formData.add("user", userId);
 				formData.add("password", userId+"pwd");
-				
+
 				GXInboundResponse response = myManager.post(Entity.entity(formData, MediaType.APPLICATION_FORM_URLENCODED));
 
 				if (response.isErrorResponse()) {
 					if (response.hasException()) 
 						throw response.getException();
-					else 
+					else if (response.getHTTPCode()==403)
+						throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
+					else
 						throw new BackendGenericError();
 				}
 
+
 				return null;
 			}
 		};
@@ -62,13 +66,21 @@ public class DefaultUserManager implements UserManagerClient {
 			public Void call(GXWebTargetAdapterRequest manager) throws Exception {
 				GXWebTargetAdapterRequest myManager = manager;
 
-				GXInboundResponse response = myManager.path(userId).delete();
-
-				if (response.isErrorResponse()) {
-					if (response.hasException()) 
-						throw response.getException();
-					else 
-						throw new BackendGenericError();
+				try {
+				
+					GXInboundResponse response = myManager.path(userId).delete();
+				
+					if (response.isErrorResponse()) {
+						if (response.hasException()) 
+							throw response.getException();
+						else if (response.getHTTPCode()==403)
+							throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
+						else
+							throw new BackendGenericError();
+					}
+				}catch (Exception e) {
+					e.printStackTrace();
+					throw e;
 				}
 
 				return null;
@@ -92,14 +104,17 @@ public class DefaultUserManager implements UserManagerClient {
 				GXWebTargetAdapterRequest myManager = manager;
 
 				GXInboundResponse response = myManager.get();
-				
+
 				if (response.isErrorResponse()) {
 					if (response.hasException()) 
 						throw response.getException();
-					else 
+					else if (response.getHTTPCode()==403)
+						throw new UserNotAuthorizedException("the call to this method is not allowed for the user");
+					else
 						throw new BackendGenericError();
 				}
 
+
 				return response.getSource().readEntity(List.class);
 			}
 		};
@@ -112,5 +127,5 @@ public class DefaultUserManager implements UserManagerClient {
 			throw new RuntimeException(e1);
 		}
 	}
-	
+
 }
diff --git a/src/test/java/org/gcube/data/access/fs/Items.java b/src/test/java/org/gcube/data/access/fs/Items.java
index 30fde10..116f10e 100644
--- a/src/test/java/org/gcube/data/access/fs/Items.java
+++ b/src/test/java/org/gcube/data/access/fs/Items.java
@@ -52,6 +52,14 @@ public class Items {
 		
 	}
 	
+	@Test
+	public void creteAndREmoveUser() throws StorageHubException {
+		StorageHubClient shc = new StorageHubClient();
+		shc.createUserAccount("giorgino");
+		shc.deleteUserAccount("giorgino");
+		
+		
+	}
 	
 	@Test
 	public void removeUserFromVRE() throws StorageHubException {