diff --git a/ProjectElectricLocomotive/ProjectElectricLocomotive/LocoNotFoundException.cs b/ProjectElectricLocomotive/ProjectElectricLocomotive/LocoNotFoundException.cs
new file mode 100644
index 0000000..b2a0ec9
--- /dev/null
+++ b/ProjectElectricLocomotive/ProjectElectricLocomotive/LocoNotFoundException.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 ProjectElectricLocomotive.Exceptions
+{
+    [Serializable]
+
+    internal class LocoNotFoundException : ApplicationException
+    {
+        public LocoNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
+        public LocoNotFoundException() : base() { }
+        public LocoNotFoundException(string message) : base(message) { }
+        public LocoNotFoundException(string message, Exception exception) : base(message, exception) { }
+        protected LocoNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
+
+    }
+}
diff --git a/ProjectElectricLocomotive/ProjectElectricLocomotive/StorageOverflowException.cs b/ProjectElectricLocomotive/ProjectElectricLocomotive/StorageOverflowException.cs
new file mode 100644
index 0000000..c1364b1
--- /dev/null
+++ b/ProjectElectricLocomotive/ProjectElectricLocomotive/StorageOverflowException.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectElectricLocomotive
+{
+    [Serializable]
+    internal class StorageOverflowException : ApplicationException
+    {
+        public StorageOverflowException(int count) : base($"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) { }
+    }
+}
+