I just update the nuget packeges and I got many errors, so I try to uninstall and install all packages from standard of nop.
after that when I try to run the project I got the internal server error:

An error occurred while starting the application.
FileNotFoundException: Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Unknown location
FileNotFoundException: Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Unknown location
FileNotFoundException: Could not load file or assembly 'System.IO.Pipelines, Version=4.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.
Unknown location
FileNotFoundException: Could not load file or assembly 'Microsoft.Extensions.Logging.Abstractions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Unknown location
FileNotFoundException: Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Unknown location
FileNotFoundException: Could not load file or assembly 'Microsoft.Extensions.Logging.Abstractions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Unknown location
FileNotFoundException: Could not load file or assembly 'System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.
Unknown location
FileNotFoundException: Could not load file or assembly 'System.Memory, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.
Unknown location
ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.
System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
Loader Exceptions:
Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Could not load file or assembly 'System.IO.Pipelines, Version=4.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.
Could not load file or assembly 'Microsoft.Extensions.Logging.Abstractions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Could not load file or assembly 'Microsoft.Extensions.Logging.Abstractions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.
Could not load file or assembly 'System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.
Could not load file or assembly 'System.Memory, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.
FileNotFoundException: Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.

File name: 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'



=== Pre-bind state information ===

LOG: DisplayName = Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60
(Fully-specified)

LOG: Appbase = file:///C:/Presentation/Nop.Web/bin/Debug/net461/

LOG: Initial PrivatePath = NULL

Calling assembly : Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60.

===

LOG: This bind starts in LoadFrom load context.

WRN: Native image will not be probed in LoadFrom context. Native image will only be probed in default load context, like with Assembly.Load().

LOG: Using application configuration file: C:\Presentation\Nop.Web\bin\Debug\net461\Nop.Web.exe.Config

LOG: Using host configuration file:

LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v4.0.30319\config\machine.config.

LOG: Post-policy reference: Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/bin/Debug/net461/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.DLL.

WRN: Comparing the assembly name resulted in the mismatch: Minor Version

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/bin/Debug/net461/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.DLL.

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/bin/Debug/net461/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.EXE.

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/bin/Debug/net461/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.EXE.

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/Plugins/bin/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.DLL.

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/Plugins/bin/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.DLL.

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/Plugins/bin/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.EXE.

LOG: Attempting download of new URL file:///C:/Presentation/Nop.Web/Plugins/bin/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.EXE.

FileNotFoundException: Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
FileNotFoundException: Could not load file or assembly 'System.IO.Pipelines, Version=4.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
FileNotFoundException: Could not load file or assembly 'Microsoft.Extensions.Logging.Abstractions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
FileNotFoundException: Could not load file or assembly 'Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, Version=2.1.3.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
FileNotFoundException: Could not load file or assembly 'Microsoft.Extensions.Logging.Abstractions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
FileNotFoundException: Could not load file or assembly 'System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
FileNotFoundException: Could not load file or assembly 'System.Memory, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The system cannot find the file specified.


Show raw exception details
ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.
System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
System.Reflection.RuntimeAssembly.get_DefinedTypes()
AutoMapper.ServiceCollectionExtensions+<>c.<AddAutoMapperClasses>b__11_1(Assembly a)
System.Linq.Enumerable+<SelectManyIterator>d__17.MoveNext()
System.Linq.Buffer..ctor(IEnumerable<TElement> source)
System.Linq.Enumerable.ToArray<TSource>(IEnumerable<TSource> source)
AutoMapper.ServiceCollectionExtensions.AddAutoMapperClasses(IServiceCollection services, Action<IMapperConfigurationExpression> additionalInitAction, IEnumerable<Assembly> assembliesToScan)
AutoMapper.ServiceCollectionExtensions.AddAutoMapper(IServiceCollection services)
Nop.Core.Infrastructure.NopEngine.AddAutoMapper(IServiceCollection services, ITypeFinder typeFinder) in NopEngine.cs
+
            services.AddAutoMapper();
Nop.Core.Infrastructure.NopEngine.ConfigureServices(IServiceCollection services, IConfigurationRoot configuration) in NopEngine.cs
+
            AddAutoMapper(services, typeFinder);
Nop.Web.Framework.Infrastructure.Extensions.ServiceCollectionExtensions.ConfigureApplicationServices(IServiceCollection services, IConfigurationRoot configuration) in ServiceCollectionExtensions.cs
+
            var serviceProvider = engine.ConfigureServices(services, configuration);
Nop.Web.Startup.ConfigureServices(IServiceCollection services) in Startup.cs
+
            return services.ConfigureApplicationServices(Configuration);
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
Microsoft.AspNetCore.Hosting.Internal.WebHost.EnsureApplicationServices()
Microsoft.AspNetCore.Hosting.Internal.WebHost.BuildApplication()

Show raw exception details
System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.

   at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)

   at System.Reflection.RuntimeAssembly.get_DefinedTypes()

   at AutoMapper.ServiceCollectionExtensions.<>c.<AddAutoMapperClasses>b__11_1(Assembly a)

   at System.Linq.Enumerable.<SelectManyIterator>d__17`2.MoveNext()

   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)

   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)

   at AutoMapper.ServiceCollectionExtensions.AddAutoMapperClasses(IServiceCollection services, Action`1 additionalInitAction, IEnumerable`1 assembliesToScan)

   at AutoMapper.ServiceCollectionExtensions.AddAutoMapper(IServiceCollection services)

   at Nop.Core.Infrastructure.NopEngine.AddAutoMapper(IServiceCollection services, ITypeFinder typeFinder)

   at Nop.Core.Infrastructure.NopEngine.ConfigureServices(IServiceCollection services, IConfigurationRoot configuration)

   at Nop.Web.Framework.Infrastructure.Extensions.ServiceCollectionExtensions.ConfigureApplicationServices(IServiceCollection services, IConfigurationRoot configuration)

   at Nop.Web.Startup.ConfigureServices(IServiceCollection services)

--- End of stack trace from previous location where exception was thrown ---

   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)

   at Microsoft.AspNetCore.Hosting.Internal.WebHost.EnsureApplicationServices()

   at Microsoft.AspNetCore.Hosting.Internal.WebHost.BuildApplication()
.NET Framework 4.7.3221.0 X86 v4.0.0.0    |   Microsoft.AspNetCore.Hosting version 2.0.0-rtm-26452    |    Microsoft Windows 10.0.17134    |   Need help?