diff --git a/AircraftCarrier/AircraftCarrier/FormMapWithSetWarships.cs b/AircraftCarrier/AircraftCarrier/FormMapWithSetWarships.cs
index db58c0f..5fc2f29 100644
--- a/AircraftCarrier/AircraftCarrier/FormMapWithSetWarships.cs
+++ b/AircraftCarrier/AircraftCarrier/FormMapWithSetWarships.cs
@@ -125,22 +125,28 @@ namespace AircraftCarrier
         /// <param name="e"></param>
         private void AddWarshipOnForm(DrawingWarship drawningWarship)
         {
-            if (listBoxMaps.SelectedIndex == -1)
+            try
             {
-                return;
+                if (listBoxMaps.SelectedIndex == -1)
+                {
+                    MessageBox.Show("Перед добавлением объекта необходимо создать карту");
+                }
+                DrawingObjectWarship warship = new(drawningWarship);
+                if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] + warship >= 0)
+                {
+                    MessageBox.Show("Объект добавлен");
+                    pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
+                }
+                else
+                {
+                    MessageBox.Show("Не удалось добавить объект");
+                }
             }
-
-            DrawingObjectWarship warship = new(drawningWarship);
-            if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] + warship >= 0)
-            {
-                MessageBox.Show("Объект добавлен");
-                pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
-            }
-            else
+            catch(StorageOverflowException ex)
             {
                 MessageBox.Show("Не удалось добавить объект");
+                MessageBox.Show($"Ошибка переполнения хранилища: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
-
         }
         /// <summary>
         /// Удаление объекта
@@ -149,27 +155,27 @@ namespace AircraftCarrier
         /// <param name="e"></param>
         private void ButtonRemoveWarship_Click(object sender, EventArgs e)
         {
-            if (listBoxMaps.SelectedIndex == -1)
-            {
-                return;
-            }
-            if (string.IsNullOrEmpty(maskedTextBoxPosition.Text))
-            {
-                return;
-            }
-            if (MessageBox.Show("Удалить объект?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
+            if (listBoxMaps.SelectedIndex == -1 || string.IsNullOrEmpty(maskedTextBoxPosition.Text) ||
+                MessageBox.Show("Удалить объект?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
             {
                 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 (WarshipNotFoundException ex)
             {
-                MessageBox.Show("Не удалось удалить объект");
+                MessageBox.Show($"Ошибка удаления: {ex.Message}");
             }
         }
         /// <summary>
@@ -238,13 +244,14 @@ namespace AircraftCarrier
         {
             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($"Не сохранилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
         }
@@ -257,14 +264,15 @@ namespace AircraftCarrier
         {
             if(openFileDialog.ShowDialog() == DialogResult.OK)
             {
-                if (_mapsCollection.LoadData(openFileDialog.FileName))
+                try
                 {
+                    _mapsCollection.LoadData(openFileDialog.FileName);
                     MessageBox.Show("Загрузка прошла успешно!", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                     ReloadMaps();
                 }
-                else
+                catch (Exception ex)
                 {
-                    MessageBox.Show("Не загрузилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    MessageBox.Show($"Не удалось открыть: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
         }
diff --git a/AircraftCarrier/AircraftCarrier/MapsCollection.cs b/AircraftCarrier/AircraftCarrier/MapsCollection.cs
index 618549b..1eb5145 100644
--- a/AircraftCarrier/AircraftCarrier/MapsCollection.cs
+++ b/AircraftCarrier/AircraftCarrier/MapsCollection.cs
@@ -74,21 +74,11 @@ namespace AircraftCarrier
             }
         }
         /// <summary>
-        /// Метод записи информации в файл
-        /// </summary>
-        /// <param name="text">Строка, которую следует записать</param>
-        /// <param name="stream">Поток для записи</param>
-        private static void WriteToFile(string text, FileStream stream)
-        {
-            byte[] info = new UTF8Encoding(true).GetBytes(text);
-            stream.Write(info, 0, info.Length);
-        }
-        /// <summary>
         /// Сохранение информации по кораблям в хранилище в файл
         /// </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))
             {
@@ -102,7 +92,6 @@ namespace AircraftCarrier
                     sw.Write($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}{Environment.NewLine}");
                 }
             }
-            return true;
         }
 
         /// <summary>
@@ -110,18 +99,18 @@ namespace AircraftCarrier
         /// </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");
             }
             using (StreamReader sr = new(filename))
             {
                 string str = "";
                 if ((str = sr.ReadLine()) == null || !str.Contains("MapsCollection"))
                 {
-                    return false;
+                    throw new FileFormatException("Формат данных в файле не правильный");
                 }
                 _mapStorages.Clear();
                 while ((str = sr.ReadLine()) != null)
@@ -141,7 +130,6 @@ namespace AircraftCarrier
                     _mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
                 }
             }
-            return true;
         }
     }
 }
diff --git a/AircraftCarrier/AircraftCarrier/SetWarshipsGeneric.cs b/AircraftCarrier/AircraftCarrier/SetWarshipsGeneric.cs
index 5aba52c..538aad5 100644
--- a/AircraftCarrier/AircraftCarrier/SetWarshipsGeneric.cs
+++ b/AircraftCarrier/AircraftCarrier/SetWarshipsGeneric.cs
@@ -49,6 +49,9 @@ namespace AircraftCarrier
         /// <returns></returns>
         public int Insert(T warship, int position)
         {
+            if (Count == _maxCount)
+                throw new StorageOverflowException(_maxCount);
+
             if (position >= _maxCount || position < 0) return -1;
             _places.Insert(position, warship);
             return 1;
@@ -64,6 +67,8 @@ namespace AircraftCarrier
                 return null;
 
             var result = _places[position];
+            if(result == null)
+                throw new WarshipNotFoundException(position);
             _places.RemoveAt(position);
             return result;
         }
diff --git a/AircraftCarrier/AircraftCarrier/StorageOverflowException.cs b/AircraftCarrier/AircraftCarrier/StorageOverflowException.cs
new file mode 100644
index 0000000..d6f6a32
--- /dev/null
+++ b/AircraftCarrier/AircraftCarrier/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 AircraftCarrier
+{
+    [Serializable]
+    internal class StorageOverflowException : ApplicationException
+    {
+        public StorageOverflowException(int count) : base($"В наборе превышено допустимое количество: {count}") { }
+        public StorageOverflowException() : base() { }
+        public StorageOverflowException(string message) : base(message) { }
+        public StorageOverflowException(string message, Exception exception) : base(message, exception) { }
+        protected StorageOverflowException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+    }
+}
diff --git a/AircraftCarrier/AircraftCarrier/WarshipNotFoundException.cs b/AircraftCarrier/AircraftCarrier/WarshipNotFoundException.cs
new file mode 100644
index 0000000..40638c3
--- /dev/null
+++ b/AircraftCarrier/AircraftCarrier/WarshipNotFoundException.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AircraftCarrier
+{
+    [Serializable]
+    internal class WarshipNotFoundException : ApplicationException
+    {
+        public WarshipNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
+        public WarshipNotFoundException() : base() { }
+        public WarshipNotFoundException(string message) : base(message) { }
+        public WarshipNotFoundException(string message, Exception exception) : base(message, exception) { }
+        protected WarshipNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+    }
+}