diff --git a/AirFighter/AirFighter/AirFighterNotFoundException.cs b/AirFighter/AirFighter/AirFighterNotFoundException.cs
new file mode 100644
index 0000000..a79b9b4
--- /dev/null
+++ b/AirFighter/AirFighter/AirFighterNotFoundException.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AirFighter
+{
+    internal class AirFighterNotFoundException : ApplicationException
+    {
+        public AirFighterNotFoundException(int i) : base($"Не найден объект по позиции { i}") { }
+ public AirFighterNotFoundException() : base() { }
+        public AirFighterNotFoundException(string message) : base(message) { }
+        public AirFighterNotFoundException(string message, Exception exception) :
+       base(message, exception)
+        { }
+        protected AirFighterNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+    }
+}
diff --git a/AirFighter/AirFighter/FormMapWithSetAirFighters.cs b/AirFighter/AirFighter/FormMapWithSetAirFighters.cs
index 83514e4..20b5593 100644
--- a/AirFighter/AirFighter/FormMapWithSetAirFighters.cs
+++ b/AirFighter/AirFighter/FormMapWithSetAirFighters.cs
@@ -68,14 +68,25 @@ namespace AirFighter
             if (_airFighter != null)
             {
                 DrawningObjectAirFighter airFighter = new(_airFighter);
-                if ((_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] + airFighter) == 0)
+                try
                 {
-                    MessageBox.Show("Объект добавлен");
-                    pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                    if ((_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] + airFighter) == 0)
+                    {
+                        MessageBox.Show("Объект добавлен");
+                        pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                    }
+                    else
+                    {
+                        MessageBox.Show("Не удалось добавить объект");
+                    }
                 }
-                else
+                catch (StorageOverflowException ex)
                 {
-                    MessageBox.Show("Не удалось добавить объект");
+                    MessageBox.Show($"Ошибка добавления: {ex.Message}");
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show($"Неизвестная ошибка: {ex.Message}");
                 }
             }
         }
@@ -113,14 +124,24 @@ namespace AirFighter
                 return;
             }
             int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
-            if ((_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos) != null)
+            try
             {
-                MessageBox.Show("Объект удален");
-                pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                if ((_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos) != null)
+                {
+                    MessageBox.Show("Объект удален");
+                    pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                }
+                else
+                {
+                    MessageBox.Show("Не удалось удалить объект");
+                }
+            }catch(AirFighterNotFoundException ex)
+            {
+                MessageBox.Show($"Ошибка удаления: {ex.Message}");
             }
-            else
+            catch(Exception ex)
             {
-                MessageBox.Show("Не удалось удалить объект");
+                MessageBox.Show($"Неизвестная ошибка: {ex.Message}");
             }
         }
         /// <summary>
@@ -237,14 +258,15 @@ namespace AirFighter
         {
             if (saveFileDialog.ShowDialog() == DialogResult.OK)
             {
-                if (_mapsCollection.SaveData(saveFileDialog.FileName))
+                try
                 {
+                    _mapsCollection.SaveData(saveFileDialog.FileName);
                     MessageBox.Show("Сохранение прошло успешно", "Результат",
-                   MessageBoxButtons.OK, MessageBoxIcon.Information);
+                  MessageBoxButtons.OK, MessageBoxIcon.Information);
                 }
-                else
+                catch(Exception ex)
                 {
-                    MessageBox.Show("Не сохранилось", "Результат",
+                    MessageBox.Show($"Не сохранилось: {ex.Message}", "Результат",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
@@ -258,15 +280,16 @@ namespace AirFighter
         {
             if (openFileDialog.ShowDialog() == DialogResult.OK)
             {
-                if (_mapsCollection.LoadData(openFileDialog.FileName))
+                try
                 {
+                    _mapsCollection.LoadData(openFileDialog.FileName);
                     MessageBox.Show("Загрузка прошла успешно", "Результат",
-                   MessageBoxButtons.OK, MessageBoxIcon.Information);
+                  MessageBoxButtons.OK, MessageBoxIcon.Information);
                     ReloadMaps();
                 }
-                else
+                catch(Exception ex)
                 {
-                    MessageBox.Show("Загрузка не удалась", "Результат",
+                    MessageBox.Show($"Загрузка не удалась: {ex.Message}", "Результат",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
diff --git a/AirFighter/AirFighter/MapsCollection.cs b/AirFighter/AirFighter/MapsCollection.cs
index 9f35ac0..7a27c1e 100644
--- a/AirFighter/AirFighter/MapsCollection.cs
+++ b/AirFighter/AirFighter/MapsCollection.cs
@@ -114,11 +114,11 @@ namespace AirFighter
         /// </summary>
         /// <param name = "filename" ></ param >
         /// < returns ></ returns >
-        public bool LoadData(string filename)
+        public void LoadData(string filename)
         {
             if (!File.Exists(filename))
             {
-                return false;
+                throw new FileNotFoundException("Файл не найден");
             }
             string bufferTextFromFile = "";
             using (StreamReader sr = new(filename))
@@ -126,7 +126,7 @@ namespace AirFighter
                 string checkMap = sr.ReadLine();
                 if (!checkMap.Contains("MapsCollection"))
                 {
-                    return false;
+                    throw new FileFormatException("Формат данных в файле не правильный");
                 }
                 bufferTextFromFile = sr.ReadLine();
                 _mapStorages.Clear();
@@ -148,7 +148,6 @@ namespace AirFighter
                     bufferTextFromFile = sr.ReadLine();
                 }
             }
-            return true;
         }
     }
 }
diff --git a/AirFighter/AirFighter/SetAirFightersGeneric.cs b/AirFighter/AirFighter/SetAirFightersGeneric.cs
index 2800138..fbc5f64 100644
--- a/AirFighter/AirFighter/SetAirFightersGeneric.cs
+++ b/AirFighter/AirFighter/SetAirFightersGeneric.cs
@@ -52,6 +52,10 @@ namespace AirFighter
         /// <returns></returns>
         public int Insert(T airFighter, int position)
         {
+            if (Count >= _maxCount)
+            {
+                throw new StorageOverflowException();
+            }
             if (position < 0 && position > _maxCount)
             {
                 return -1;
@@ -69,14 +73,16 @@ namespace AirFighter
     /// <returns></returns>
     public T Remove(int position)
     {
-            if (position >= 0 && position < _maxCount && _places[position] != null)
+            if (position >= 0 && position < Count)
             {
                 T temp = _places[position];
                 _places.RemoveAt(position);
                 return temp;
             }
             else
-                return null;
+            {
+                throw new AirFighterNotFoundException(position);
+            }
         }
         /// <summary>
         /// Получение объекта из набора по позиции
diff --git a/AirFighter/AirFighter/StorageOverflowException.cs b/AirFighter/AirFighter/StorageOverflowException.cs
new file mode 100644
index 0000000..b3e2378
--- /dev/null
+++ b/AirFighter/AirFighter/StorageOverflowException.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AirFighter
+{
+    [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) { }
+    }
+}