Проблем с качването на домашни - Advanced Querying

Привет, незнам колко човека имат този проблем и има ли такива, които знаят решенето на проблема? Преподаватели влизат ли във Форума да съдействат? А ето я и грешката при качването на решение:

Compiled file is missing. Compiler output: MSBuild version 17.3.2+561848881 for .NET
  Determining projects to restore...
  Restored /tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj (in 198 ms).
  Restored /tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj (in 1.01 sec).
  Restored /tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj (in 1.01 sec).
  Restored /tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Initializer/BookShop.Initializer.csproj (in 1.01 sec).
  Restored /tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop/BookShop.csproj (in 1.01 sec).
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookCategory.cs(6,21): warning CS8618: Non-nullable property 'Book' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookCategory.cs(9,25): warning CS8618: Non-nullable property 'Category' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Author.cs(7,16): warning CS8618: Non-nullable property 'FirstName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Author.cs(7,16): warning CS8618: Non-nullable property 'LastName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Book.cs(10,16): warning CS8618: Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Category.cs(7,16): warning CS8618: Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Book.cs(10,16): warning CS8618: Non-nullable property 'Description' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Book.cs(10,16): warning CS8618: Non-nullable property 'Author' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
  BookShop.Models -> /tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/CompilationDir/BookShop.Models.dll
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'Books' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'Categories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'Authors' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'BooksCategories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'Books' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'Categories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'Authors' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'BooksCategories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
  BookShop.Data -> /tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/CompilationDir/BookShop.Data.dll
  BookShop.Initializer -> /tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/CompilationDir/BookShop.Initializer.dll
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop/StartUp.cs(23,37): warning CS8600: Converting null literal or possible null value to non-nullable type. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop/BookShop.csproj]
  BookShop -> /tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/CompilationDir/BookShop.dll
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_002.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_000_001.cs(113,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_003.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_001.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_004.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]

Build FAILED.

/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookCategory.cs(6,21): warning CS8618: Non-nullable property 'Book' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookCategory.cs(9,25): warning CS8618: Non-nullable property 'Category' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Author.cs(7,16): warning CS8618: Non-nullable property 'FirstName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Author.cs(7,16): warning CS8618: Non-nullable property 'LastName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Book.cs(10,16): warning CS8618: Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Category.cs(7,16): warning CS8618: Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Book.cs(10,16): warning CS8618: Non-nullable property 'Description' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/Book.cs(10,16): warning CS8618: Non-nullable property 'Author' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Models/BookShop.Models.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'Books' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'Categories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'Authors' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(14,16): warning CS8618: Non-nullable property 'BooksCategories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'Books' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'Categories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'Authors' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShopContext.cs(19,16): warning CS8618: Non-nullable property 'BooksCategories' must contain a non-null value when exiting constructor. Consider declaring the property as nullable. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop.Data/BookShop.Data.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop/StartUp.cs(23,37): warning CS8600: Converting null literal or possible null value to non-nullable type. [/tmp/ExecutionStrategies/aix03saq.1fz/UserProject/BookShop/BookShop.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_002.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_000_001.cs(113,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_003.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_001.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/Test_002_001_004.cs(43,33): error CS1501: No overload for method 'GetBooksByAgeRestriction' takes 2 arguments [/tmp/ExecutionStrategies/aix03saq.1fz/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
    17 Warning(s)
    5 Error(s)

Time Elapsed 00:00:06.73