diff --git a/DoubleDeckerBus/DoubleDeckerBus/BusNotFoundExeption.cs b/DoubleDeckerBus/DoubleDeckerBus/BusNotFoundExeption.cs
new file mode 100644
index 0000000..3757dac
--- /dev/null
+++ b/DoubleDeckerBus/DoubleDeckerBus/BusNotFoundExeption.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DoubleDeckerBus
+{
+    [Serializable]
+    internal class BusNotFoundException : ApplicationException
+    {
+        public BusNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
+        public BusNotFoundException() : base() { }
+        public BusNotFoundException(string message) : base(message) { }
+        public BusNotFoundException(string message, Exception exception) : base(message, exception) { }
+        protected BusNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+    }
+}
diff --git a/DoubleDeckerBus/DoubleDeckerBus/FormMapWithSetBuses.cs b/DoubleDeckerBus/DoubleDeckerBus/FormMapWithSetBuses.cs
index 5422fea..80a242e 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/FormMapWithSetBuses.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/FormMapWithSetBuses.cs
@@ -86,15 +86,27 @@ namespace DoubleDeckerBus
                 return;
             }
             int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
-            if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
+            try
             {
-                MessageBox.Show("Объект удален");
-                pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
+                {
+                    MessageBox.Show("Объект удален");
+                    pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                }
+                else
+                {
+                    MessageBox.Show("Не удалось удалить объект");
+                }
             }
-            else
+            catch (BusNotFoundException ex)
             {
-                MessageBox.Show("Не удалось удалить объект");
+                MessageBox.Show($"Ошибка удаления: {ex.Message}");
             }
+            catch (Exception ex)
+            {
+                MessageBox.Show($"Неизветсная шибка: {ex.Message}");
+            }
+
         }
 
         private void ButtonShowStorage_Click(object sender, EventArgs e)
@@ -181,13 +193,14 @@ namespace DoubleDeckerBus
         {
             if (saveFileDialog.ShowDialog() == DialogResult.OK)
             {
-                if (_mapsCollection.SaveData(saveFileDialog.FileName))
+                try
                 {
+                    _mapsCollection.SaveData(saveFileDialog.FileName);
                     MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                 }
-                else
+                catch (Exception ex)
                 {
-                    MessageBox.Show("Не сохранилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    MessageBox.Show($"Не сохранилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
         }
diff --git a/DoubleDeckerBus/DoubleDeckerBus/MapsCollection.cs b/DoubleDeckerBus/DoubleDeckerBus/MapsCollection.cs
index a5e9c61..a4ca902 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/MapsCollection.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/MapsCollection.cs
@@ -48,7 +48,7 @@ namespace DoubleDeckerBus
         }
 
 
-        public bool SaveData(string filename)
+        public void SaveData(string filename)
         {
             if (File.Exists(filename))
             {
@@ -62,14 +62,13 @@ namespace DoubleDeckerBus
                     sw.Write($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}{Environment.NewLine}");
                 }
             }
-            return true;
         }
 
-        public bool LoadData(string filename)
+        public void LoadData(string filename)
         {
             if (!File.Exists(filename))
             {
-                return false;
+                throw new FileNotFoundException("Файл не найден");
             }
             string line;
             using (StreamReader sw = new(filename))
@@ -77,7 +76,7 @@ namespace DoubleDeckerBus
                 line = sw.ReadLine();
                 if (line == null || !line.Contains("MapsCollection"))
                 {
-                    return false;
+                    throw new FileFormatException("Формат данных в файле не совпадает");
                 }
 
                 _mapStorages.Clear();
@@ -99,8 +98,6 @@ namespace DoubleDeckerBus
                     _mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
                     line = sw.ReadLine();
                 }
-
-                return true;
             }
         }
     }
diff --git a/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs b/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs
index 870b6db..d27f58d 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/SetBusesGeneric.cs
@@ -45,7 +45,10 @@ namespace DoubleDeckerBus
         /// <returns></returns>
         public int Insert(T bus, int position)
         {
-            if (position < 0 || position >= _maxCount || BusyPlaces == _maxCount) return -1;
+            if (position < 0 || position >= _maxCount)
+            {
+                throw new BusNotFoundException("Место указано неверно");
+            }
 
             BusyPlaces++;
             _places.Insert(position, bus);
@@ -58,7 +61,10 @@ namespace DoubleDeckerBus
         /// <returns></returns>
         public T Remove(int position)
         {
-            if (position < 0 || position >= _maxCount) return null;
+            if (position < 0 || position >= _maxCount)
+            {
+                throw new BusNotFoundException(position);
+            }
             T savedBus = _places[position];
             _places.RemoveAt(position);
             return savedBus;
diff --git a/DoubleDeckerBus/DoubleDeckerBus/StorageOverflowException.cs b/DoubleDeckerBus/DoubleDeckerBus/StorageOverflowException.cs
new file mode 100644
index 0000000..1e6d319
--- /dev/null
+++ b/DoubleDeckerBus/DoubleDeckerBus/StorageOverflowException.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DoubleDeckerBus
+{
+    [Serializable]
+    internal class StorageOverflowException : ApplicationException
+    {
+        public StorageOverflowException(int count) : base($"В наборе превышено допустимое количество: {count}") { }
+        public StorageOverflowException() : base() { }
+        public StorageOverflowException(string message) : base(message) { }
+        public StorageOverflowException(string message, Exception exception) : base(message, exception) { }
+        protected StorageOverflowException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+    }
+}