Проблем с качване на домашно P01_StudentSystem (EntityRelations)

Здравейте колеги,

Моля помогнете, че какво ли не опитах.
Качвам линк с проекта https://ufile.io/8p1ba1q7

Judge ми дава Compile time error със следното съобщение

Compiled file is missing. Compiler output: MSBuild version 17.3.2+561848881 for .NET
  Determining projects to restore...
  Restored /tmp/ExecutionStrategies/b1qrbgvn.aht/UserProject/P01_StudentSystem.Data.Models/P01_StudentSystem.Data.Models.csproj (in 162 ms).
  Restored /tmp/ExecutionStrategies/b1qrbgvn.aht/UserProject/P01_StudentSystem.Data/P01_StudentSystem.Data.csproj (in 573 ms).
  Restored /tmp/ExecutionStrategies/b1qrbgvn.aht/UserProject/P01_StudentSystem/P01_StudentSystem.csproj (in 573 ms).
  Restored /tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj (in 601 ms).
  P01_StudentSystem.Data.Models -> /tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/CompilationDir/P01_StudentSystem.Data.Models.dll
  P01_StudentSystem.Data -> /tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/CompilationDir/P01_StudentSystem.Data.dll
  P01_StudentSystem -> /tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/CompilationDir/P01_StudentSystem.dll
/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/Test_004.cs(68,17): error CS1061: 'StudentSystemContext' does not contain a definition for 'Homeworks' and no accessible extension method 'Homeworks' accepting a first argument of type 'StudentSystemContext' could be found (are you missing a using directive or an assembly reference?) [/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/Test_004.cs(14,30): warning CS0169: The field 'Test_004.serviceProvider' is never used [/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]

Build FAILED.

/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/Test_004.cs(14,30): warning CS0169: The field 'Test_004.serviceProvider' is never used [/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/Test_004.cs(68,17): error CS1061: 'StudentSystemContext' does not contain a definition for 'Homeworks' and no accessible extension method 'Homeworks' accepting a first argument of type 'StudentSystemContext' could be found (are you missing a using directive or an assembly reference?) [/tmp/ExecutionStrategies/b1qrbgvn.aht/NUnitLiteConsoleApp/NUnitLiteConsoleApp.csproj]
    1 Warning(s)
    1 Error(s)

Time Elapsed 00:00:08.12

Търсих си грешката в StudentSystemContext, но не мога да разбера защо не намира Homeworks и missing referencce