diff --git a/AntiAircraftGun/AntiAircraftGun/AntiAircraftGunNotFoundException.cs b/AntiAircraftGun/AntiAircraftGun/AntiAircraftGunNotFoundException.cs
new file mode 100644
index 0000000..5e75f45
--- /dev/null
+++ b/AntiAircraftGun/AntiAircraftGun/AntiAircraftGunNotFoundException.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 AntiAircraftGun
+{
+    [Serializable]
+    internal class AntiAircraftGunNotFoundException : ApplicationException
+    {
+        public AntiAircraftGunNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
+        public AntiAircraftGunNotFoundException() : base() { }
+        public AntiAircraftGunNotFoundException(string message) : base(message) { }
+        public AntiAircraftGunNotFoundException(string message, Exception exception) : base(message, exception) { }
+        protected AntiAircraftGunNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+    }
+}
diff --git a/AntiAircraftGun/AntiAircraftGun/FormMapWithSetAntiAircraftGuns.cs b/AntiAircraftGun/AntiAircraftGun/FormMapWithSetAntiAircraftGuns.cs
index f8af888..428b465 100644
--- a/AntiAircraftGun/AntiAircraftGun/FormMapWithSetAntiAircraftGuns.cs
+++ b/AntiAircraftGun/AntiAircraftGun/FormMapWithSetAntiAircraftGuns.cs
@@ -150,14 +150,25 @@ namespace AntiAircraftGun
                 return;
             }
             int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
-            if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
+            try
             {
-                MessageBox.Show("Объект удален");
-                pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
+                {
+                    MessageBox.Show("Объект удален");
+                    pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                }
+                else
+                {
+                    MessageBox.Show("Не удалось удалить объект");
+                }
             }
-            else
+            catch (AntiAircraftGunNotFoundException ex)
             {
-                MessageBox.Show("Не удалось удалить объект");
+                MessageBox.Show($"Ошибка удаления {ex.Message}");
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show($"Неизвестная ошибка {ex.Message}");
             }
         }
         /// <summary>
@@ -226,13 +237,14 @@ namespace AntiAircraftGun
         {
             if (saveFileDialog.ShowDialog() == DialogResult.OK)
             {
-                if (_mapsCollection.SaveData(saveFileDialog.FileName))
+                try
                 {
+                    _mapsCollection.SaveData(saveFileDialog.FileName);
                     MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                 }
-                else
+                catch(Exception ex)
                 {
-                    MessageBox.Show("Не сохранилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    MessageBox.Show($"Не сохранилось {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
         }
@@ -245,14 +257,15 @@ namespace AntiAircraftGun
         {
             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);
                     ReloadMaps();
                 }
-                else
+                catch(Exception ex)
                 {
-                    MessageBox.Show("Не загрузилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    MessageBox.Show($"Не загрузилось {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
         }
diff --git a/AntiAircraftGun/AntiAircraftGun/MapsCollection.cs b/AntiAircraftGun/AntiAircraftGun/MapsCollection.cs
index 02de5e8..8d88567 100644
--- a/AntiAircraftGun/AntiAircraftGun/MapsCollection.cs
+++ b/AntiAircraftGun/AntiAircraftGun/MapsCollection.cs
@@ -78,7 +78,7 @@ namespace AntiAircraftGun
         /// </summary>
         /// <param name="filename">Путь и имя файла</param>
         /// <returns></returns>
-        public bool SaveData(string filename)
+        public void SaveData(string filename)
         {
             if (File.Exists(filename))
             {
@@ -92,18 +92,17 @@ namespace AntiAircraftGun
                     sw.WriteLine($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}");
                 }
             }
-            return true;
         }
         /// <summary>
         /// Загрузка нформации по орудиям на парковках из файла
         /// </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 Exception("Файл не найден");
             }
             using (StreamReader sr = new StreamReader(filename))
             {
@@ -112,7 +111,7 @@ namespace AntiAircraftGun
                 str = sr.ReadLine();
                 if (!str.Contains("MapsCollection"))
                 {
-                    return false;
+                    throw new Exception("Формат данных в файле неправильный");
                 }
                 while ((str = sr.ReadLine()) != null)
                 {
@@ -130,7 +129,6 @@ namespace AntiAircraftGun
                     _mapStorages.Add(elem[0], new MapWithSetAntiAircraftGunsGeneric<IDrawingObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
                     _mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
                 }
-                return true;
             }
         }
     }
diff --git a/AntiAircraftGun/AntiAircraftGun/SetAntiAircraftGunsGeneric.cs b/AntiAircraftGun/AntiAircraftGun/SetAntiAircraftGunsGeneric.cs
index 9807595..e512797 100644
--- a/AntiAircraftGun/AntiAircraftGun/SetAntiAircraftGunsGeneric.cs
+++ b/AntiAircraftGun/AntiAircraftGun/SetAntiAircraftGunsGeneric.cs
@@ -56,6 +56,7 @@ namespace AntiAircraftGun
         /// <returns></returns>
         public int Insert(T antiAircraftGun, int position)
         {
+            //TODO проверка на _maxCount
             if (position < 0 || position >= _places.Count) return -1;
             _places.Insert(position, antiAircraftGun);
             return position;
@@ -67,6 +68,7 @@ namespace AntiAircraftGun
         /// <returns></returns>
         public T Remove(int position)
         {
+            //TODO исключение
             if (position < 0 || position >= _places.Count) return null;
             if (_places[position] == null) return null;
             T removed = _places[position];
diff --git a/AntiAircraftGun/AntiAircraftGun/StorageOverflowException.cs b/AntiAircraftGun/AntiAircraftGun/StorageOverflowException.cs
new file mode 100644
index 0000000..ebeb2d7
--- /dev/null
+++ b/AntiAircraftGun/AntiAircraftGun/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 AntiAircraftGun
+{
+    [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) { }
+    }
+}