diff --git a/Example.Backend/Printer.cs b/Example.Backend/Printer.cs
index ba8c624..92960e4 100644
--- a/Example.Backend/Printer.cs
+++ b/Example.Backend/Printer.cs
@@ -1,4 +1,6 @@
 using System;
+using System.Security.Cryptography;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Example.Shared;
@@ -22,7 +24,7 @@ namespace Example.Backend
 
         public void Dispose()
         {
-            Console.WriteLine("Dispose printer with name {0}", Name);
+            Console.WriteLine("Dispose printer with name {0}, Dispose works, Dispose works, Dispose works, Dispose works,", Name);
         }
     }
 }
\ No newline at end of file
diff --git a/Example.Frontend/Program.cs b/Example.Frontend/Program.cs
index 44860ad..6ac3cb7 100644
--- a/Example.Frontend/Program.cs
+++ b/Example.Frontend/Program.cs
@@ -75,6 +75,8 @@ class Program
             Console.WriteLine("Page printed");
             var data = page.Value.GetData();
             Console.WriteLine("Data : {0}", Encoding.UTF8.GetString(data));
+
+            Console.WriteLine("Dispose printer");
         }
 
 
diff --git a/mROA/Implementation/Backend/BasicExecutionModule.cs b/mROA/Implementation/Backend/BasicExecutionModule.cs
index 01343ca..8e8114e 100644
--- a/mROA/Implementation/Backend/BasicExecutionModule.cs
+++ b/mROA/Implementation/Backend/BasicExecutionModule.cs
@@ -63,14 +63,24 @@ namespace mROA.Implementation.Backend
                 return ExecuteAsync(currentCommand, context, parameter, command, _cancellationRepo,
                     representationModule);
 
-            var result = Execute(currentCommand, context, parameter, command);
-
-            if (command.CommandId == -1)
+            try
             {
-                contextRepository.ClearObject(command.ObjectId);
-            }
+                var result = Execute(currentCommand, context, parameter, command);
+                if (command.CommandId == -1)
+                {
+                    Console.WriteLine("Disposing object");
+                    contextRepository.ClearObject(command.ObjectId);
+                }
             
-            return result;
+                return result;
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+                throw;
+            }
+
+
         }
 
         private static ICommandExecution Execute(MethodInfo currentCommand, object context, object? parameter,
diff --git a/mROA/Implementation/CallRequest.cs b/mROA/Implementation/CallRequest.cs
index 783cce2..1d51e7e 100644
--- a/mROA/Implementation/CallRequest.cs
+++ b/mROA/Implementation/CallRequest.cs
@@ -24,6 +24,10 @@ namespace mROA.Implementation
         public Type? ParameterType { get; set; }
 
         public object? Parameter { get; set; }
+        public override string ToString()
+        {
+            return $"Call request {{ Id : {Id}, CommandId : {CommandId}, ObjectId : {ObjectId} }}";
+        }
     }
 
     public class CancelRequest : ICallRequest
@@ -32,5 +36,9 @@ namespace mROA.Implementation
         public int CommandId { get; set; } = -2;
         public int ObjectId { get; set; } = -2;
         public object? Parameter { get; set; } = null;
+        public override string ToString()
+        {
+            return $"Cancel request {{ Id : {Id}, CommandId : {CommandId}, ObjectId : {ObjectId} }}";
+        }
     }
 }
\ No newline at end of file