diff --git a/src/Managing.Application/Users/UserService.cs b/src/Managing.Application/Users/UserService.cs
index a08c5b1..2b9a0ce 100644
--- a/src/Managing.Application/Users/UserService.cs
+++ b/src/Managing.Application/Users/UserService.cs
@@ -47,7 +47,7 @@ public class UserService : IUserService
         if (!message.Equals("KaigenTeamXCowchain"))
         {
             _logger.LogWarning($"Message {message} not starting with KaigenTeamXCowchain");
-            throw new Exception("Message not good");
+            throw new Exception($"Message not good : {message} - Address : {address} - User : {name} - Signature : {signature}");
         }
 
         // if (!authorizedAddresses.Contains(recoveredAddress))