Исправления

ArmoredCar/ArmoredCar/MapsCollection.cs

@@ -118,9 +118,8 @@ namespace ArmoredCar
         {
             if (!File.Exists(filename))
             {
-                throw new Exception("Файл не найден");
-            }
-            string bufferTextFromFile = "";
+                return false;
+            }           
             using (StreamReader fs = new(filename))
             {
 
@@ -131,8 +130,7 @@ namespace ArmoredCar
                 //очищаем записи
                 _mapStorages.Clear();
                 while ((line = fs.ReadLine()) != null)
-                {
-                    bufferTextFromFile += line;
+                {                   
                     var elem = line.Split(separatorDict);
                     AbstractMap map = null;
                     switch (elem[1])