diff --git a/PlantBox.Broker/ClientManager.cs b/PlantBox.Broker/ClientManager.cs
index 5ea2895..1b0972e 100644
--- a/PlantBox.Broker/ClientManager.cs
+++ b/PlantBox.Broker/ClientManager.cs
@@ -23,12 +23,17 @@ namespace PlantBox.Broker
             ulong id = packet.ID;
             PlantBox plantBox = Broker.PlantBoxesManager[id];
 
+            CaptorsResponse response;
+
             if (plantBox == null)
             {
-                throw new InvalidOperationException($"This PlantBox (${id}) does not exist");
+                response = new CaptorsResponse(0, 0, 0, 0);
+            }
+            else
+            {
+                response = new CaptorsResponse(plantBox.Humidity.Value, plantBox.Luminosity.Value, plantBox.Temperature.Value, plantBox.TankLevel);
             }
 
-            var response = new CaptorsResponse(plantBox.Humidity.Value, plantBox.Luminosity.Value, plantBox.Temperature.Value, plantBox.TankLevel);
             commandStream.Send(response.ToCommandPacket(id));
         }
 
@@ -59,42 +64,47 @@ namespace PlantBox.Broker
             PlantBox plantBox = Broker.PlantBoxesManager[id];
             int count = historicRequest.Number;
 
+            HistoricResponse response;
+
             if (plantBox == null)
             {
-                throw new InvalidOperationException($"This PlantBox (${id}) does not exist");
+                response = new HistoricResponse(TimeSpan.MinValue, Array.Empty<double>(), Array.Empty<double>(), Array.Empty<double>());
             }
-
-            HistoricManager historic = plantBox.HistoricManager;
-
-            IReadOnlyList<CaptorsValue> captorsValues;
-            switch (historicRequest.Interval)
+            else
             {
-                case HistoricInterval.Minutely:
-                    captorsValues = historic.MinutesHistoric;
-                    break;
-                case HistoricInterval.Hourly:
-                    captorsValues = historic.HoursHistoric;
-                    break;
-                case HistoricInterval.Daily:
-                    captorsValues = historic.DaysHistoric;
-                    break;
-                case HistoricInterval.Weekly:
-                    captorsValues = historic.WeeksHistoric;
-                    break;
-                case HistoricInterval.Monthly:
-                    captorsValues = historic.MonthsHistoric;
-                    break;
-                default:
-                    throw new InvalidOperationException("How did you just got here? Even 『 』can't");
+                HistoricManager historic = plantBox.HistoricManager;
+
+                IReadOnlyList<CaptorsValue> captorsValues;
+                switch (historicRequest.Interval)
+                {
+                    case HistoricInterval.Minutely:
+                        captorsValues = historic.MinutesHistoric;
+                        break;
+                    case HistoricInterval.Hourly:
+                        captorsValues = historic.HoursHistoric;
+                        break;
+                    case HistoricInterval.Daily:
+                        captorsValues = historic.DaysHistoric;
+                        break;
+                    case HistoricInterval.Weekly:
+                        captorsValues = historic.WeeksHistoric;
+                        break;
+                    case HistoricInterval.Monthly:
+                        captorsValues = historic.MonthsHistoric;
+                        break;
+                    default:
+                        throw new InvalidOperationException("How did you just got here? Even 『 』can't");
+                }
+
+                response = new HistoricResponse
+                (
+                    DateTime.Now - plantBox.LastMeasureDate,
+                    FillArray(captorsValues.Select(x => x.Humidity).ToArray(), count),
+                    FillArray(captorsValues.Select(x => x.Luminosity).ToArray(), count),
+                    FillArray(captorsValues.Select(x => x.Temperature).ToArray(), count)
+                );
             }
 
-            var response = new HistoricResponse
-            (
-                DateTime.Now - plantBox.LastMeasureDate,
-                FillArray(captorsValues.Select(x => x.Humidity).ToArray(), count),
-                FillArray(captorsValues.Select(x => x.Luminosity).ToArray(), count),
-                FillArray(captorsValues.Select(x => x.Temperature).ToArray(), count)
-            );
             commandStream.Send(response.ToCommandPacket(id));
         }
 
@@ -104,20 +114,24 @@ namespace PlantBox.Broker
             ulong id = packet.ID;
             PlantBox plantBox = Broker.PlantBoxesManager[id];
 
+            InfoResponse response;
+
             if (plantBox == null)
             {
-                throw new InvalidOperationException($"This PlantBox (${id}) does not exist");
+                response = new InfoResponse("", default, default, 0, 0, 0, 0, 0, 0);
             }
+            else
+            {
+                plantBox.UpdateState();
 
-            plantBox.UpdateState();
-
-            var response = new InfoResponse
-            (
-                plantBox.Name, plantBox.Type, plantBox.State,
-                plantBox.Humidity.Min, plantBox.Humidity.Max,
-                plantBox.Luminosity.Min, plantBox.Luminosity.Max,
-                plantBox.Temperature.Min, plantBox.Temperature.Max
-            );
+                response = new InfoResponse
+                (
+                    plantBox.Name, plantBox.Type, plantBox.State,
+                    plantBox.Humidity.Min, plantBox.Humidity.Max,
+                    plantBox.Luminosity.Min, plantBox.Luminosity.Max,
+                    plantBox.Temperature.Min, plantBox.Temperature.Max
+                );
+            }
             commandStream.Send(response.ToCommandPacket(id));
         }