diff --git a/boilersGraphics/Helpers/AssemblyErrorLogAttribute.cs b/boilersGraphics/Helpers/AssemblyErrorLogAttribute.cs
index 73b07ed8..88c8d230 100644
--- a/boilersGraphics/Helpers/AssemblyErrorLogAttribute.cs
+++ b/boilersGraphics/Helpers/AssemblyErrorLogAttribute.cs
@@ -1,9 +1,8 @@
-using NLog;
+
+#define DEBUG
+
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Diagnostics;
 
 namespace boilersGraphics.Helpers
 {
@@ -12,7 +11,7 @@ public class AssemblyErrorLogAttribute : Attribute
     {
         public AssemblyErrorLogAttribute(string log)
         {
-            Console.Error.WriteLine($"output by AssemblyErrorLogAttribute : {log}");
+            Debug.Fail(log);
         }
     }
 }