Fixed #6896: cannot add users to a fresh LimeSurvey installation

application/models/User.php

@@ -154,13 +154,24 @@ public static function insertUser($new_user, $new_pass,$new_full_name,$parent_us
         }
     }
 
+    /**
+	 * This method is invoked before saving a record (after validation, if any).
+	 * The default implementation raises the {@link onBeforeSave} event.
+	 * You may override this method to do any preparation work for record saving.
+	 * Use {@link isNewRecord} to determine whether the saving is
+	 * for inserting or updating record.
+	 * Make sure you call the parent implementation so that the event is raised properly.
+	 * @return boolean whether the saving should be executed. Defaults to true.
+	 */
     public function beforeSave()
     {
          // Postgres delivers bytea fields as streams :-o - if this is not done it looks like Postgres saves something unexpected
         if (gettype($this->password)=='resource')
         {
             $this->password=stream_get_contents($this->password); 
         }
+
+        return parent::beforeSave();
     }