diff --git a/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayUserManager.java b/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayUserManager.java
index 7319e77..30b747f 100644
--- a/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayUserManager.java
+++ b/src/main/java/org/gcube/vomanagement/usermanagement/impl/LiferayUserManager.java
@@ -415,12 +415,14 @@ public class LiferayUserManager implements UserManager {
 		User toGet = null;
 		GCubeUser toReturn = null;
 		try {
-			_log.debug("Trying to fetch user by username = " + username);
+			//_log.debug("Trying to fetch user by username = " + username);
 			toGet = UserLocalServiceUtil.getUserByScreenName(ManagementUtils.getCompany().getCompanyId(), username);
 			toReturn = mapLRUser(toGet);
 		} catch (PortalException e) {
+			_log.error("Failed to fetch user by username = " + username, e);
 			throw new UserRetrievalFault("User not existing", e);
 		} catch (SystemException e) {
+			_log.error("Failed to fetch user by username = " + username, e);
 			throw new UserManagementSystemException(e.getMessage(), e);
 		}
 		return toReturn;