diff --git a/SMBLibrary/NTFileStore/Structures/FileInformation/FileInformation.cs b/SMBLibrary/NTFileStore/Structures/FileInformation/FileInformation.cs
index b841527..b0b3843 100644
--- a/SMBLibrary/NTFileStore/Structures/FileInformation/FileInformation.cs
+++ b/SMBLibrary/NTFileStore/Structures/FileInformation/FileInformation.cs
@@ -1,4 +1,4 @@
-/* Copyright (C) 2017 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
+/* Copyright (C) 2017-2021 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
  * 
  * You can redistribute this program and/or modify it under the terms of
  * the GNU Lesser Public License as published by the Free Software Foundation,
@@ -88,7 +88,7 @@ namespace SMBLibrary
                 case FileInformationClass.FileShortNameInformation:
                     throw new NotImplementedException();
                 default:
-                    throw new UnsupportedInformationLevelException();
+                    throw new UnsupportedInformationLevelException(String.Format("Unsupported information class: {0}", informationClass));
             }
         }
     }