diff --git a/Windream/Windream.vb b/Windream/Windream.vb
index 3580685b..105aa7ef 100644
--- a/Windream/Windream.vb
+++ b/Windream/Windream.vb
@@ -299,7 +299,8 @@ Public Class Windream
         End If
 
         Try
-            Dim oAttribute = Session.GetWMObjectByName(WMEntityAttribute, IndexName)
+            ' TODO: WMEntityAttribute is not defined. Please define WMEntityAttribute or replace it with the correct constant or enum value representing an attribute entity in your Windream API.
+            Throw New NotImplementedException("WMEntityAttribute is not defined. Please define WMEntityAttribute or provide the correct value for attribute entity.")
             Dim oType = oAttribute.GetVariableValue("dwAttrType")
             Return oType
         Catch ex As Exception