diff --git a/Tasks/AddressCreation.cs b/Tasks/AddressCreation.cs
index e5443ba..2e45fc6 100644
--- a/Tasks/AddressCreation.cs
+++ b/Tasks/AddressCreation.cs
@@ -168,6 +168,7 @@ public static class AddressCreator
         } // Error-Handling?
 
         if (address_line_count > 1) return string_address;
+        Logger.Log($"Address with ID {address.id} (refsid: {address.refsid} not valid for production use", Logger.LogType.Warning);
         return null;
     }