NetCore-Error

NIN@DATASCAPE  C\..\dotnetcore  md tryx Directory: C:\#NIN\dotnetcore Mode LastWriteTime Length Name ---- ------------- ------ ---- d----- 30/08/2018 1:15 AM tryx ⚡ NIN@DATASCAPE  C\..\dotnetcore  cd tryx ⚡ NIN@DATASCAPE  C\..\..\tryx  dotnet --info .NET Core SDK (reflecting any global.json): Version: 2.1.401 Commit: 91b1c13032 Runtime Environment: OS Name: Windows OS Version: 10.0.17134 OS Platform: Windows RID: win10-x64 Base Path: C:\Program Files\dotnet\sdk\2.1.401\ Host (useful for support): Version: 2.1.3 Commit: 124038c13e .NET Core SDKs installed: 2.1.401 [C:\Program Files\dotnet\sdk] .NET Core runtimes installed: Microsoft.AspNetCore.All 2.1.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All] Microsoft.AspNetCore.App 2.1.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.NETCore.App 2.1.3 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] To install additional .NET Core runtimes or SDKs: https://aka.ms/dotnet-download ⚡ NIN@DATASCAPE  C\..\..\tryx  dotnet new webapp -o try1 The template "ASP.NET Core Web App" was created successfully. This template contains technologies from parties other than Microsoft, see https://aka.ms/aspnetcore-template-3pn-210 for details. Processing post-creation actions... Running 'dotnet restore' on try1\try1.csproj... Restoring packages for C:\#NIN\dotnetcore\tryx\try1\try1.csproj... Generating MSBuild file C:\#NIN\dotnetcore\tryx\try1\obj\try1.csproj.nuget.g.props. Generating MSBuild file C:\#NIN\dotnetcore\tryx\try1\obj\try1.csproj.nuget.g.targets. Restore completed in 9.24 sec for C:\#NIN\dotnetcore\tryx\try1\try1.csproj. Restore succeeded. ⚡ NIN@DATASCAPE  C\..\..\tryx  cd .\try1\ ⚡ NIN@DATASCAPE  C\..\..\..\try1  ls Directory: C:\#NIN\dotnetcore\tryx\try1 Mode LastWriteTime Length Name ---- ------------- ------ ---- d----- 30/08/2018 1:17 AM obj d----- 30/08/2018 1:17 AM Pages d----- 30/08/2018 1:17 AM Properties d----- 30/08/2018 1:17 AM wwwroot -a---- 30/08/2018 1:17 AM 146 appsettings.Development.json -a---- 30/08/2018 1:17 AM 105 appsettings.json -a---- 30/08/2018 1:17 AM 626 Program.cs -a---- 30/08/2018 1:17 AM 1856 Startup.cs -a---- 30/08/2018 1:17 AM 242 try1.csproj ⚡ NIN@DATASCAPE  C\..\..\..\try1  dotnet dev-certs https --trust Trusting the HTTPS development certificate was requested. A confirmation prompt will be displayed if the certificate was not previously trusted. Click yes on the prompt to trust the certificate. A valid HTTPS certificate is already present. ⚡ NIN@DATASCAPE  C\..\..\..\try1  dotnet run Using launch settings from C:\#NIN\dotnetcore\tryx\try1\Properties\launchSettings.json... Unhandled Exception: System.ArgumentNullException: Value cannot be null. Parameter name: path1 at System.IO.Path.Combine(String path1, String path2) at Microsoft.AspNetCore.Mvc.ApplicationParts.RelatedAssemblyAttribute.GetRelatedAssemblies(Assembly assembly, Boolean throwOnError, Func`2 fileExists, Func`2 loadFile) at Microsoft.AspNetCore.Mvc.ApplicationParts.RelatedAssemblyAttribute.GetRelatedAssemblies(Assembly assembly, Boolean throwOnError) at Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationAssembliesProvider.GetRelatedAssemblies(Assembly assembly) at Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationAssembliesProvider.GetAssemblyItem(Assembly assembly) at Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationAssembliesProvider.ResolveFromDependencyContext(DependencyContext dependencyContext) at Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationAssembliesProvider.ResolveAssemblies(Assembly entryAssembly)+MoveNext() at Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationPartManager.PopulateDefaultParts(String entryAssemblyName) at Microsoft.Extensions.DependencyInjection.MvcCoreServiceCollectionExtensions.GetApplicationPartManager(IServiceCollection services) at Microsoft.Extensions.DependencyInjection.MvcCoreServiceCollectionExtensions.AddMvcCore(IServiceCollection services) at Microsoft.Extensions.DependencyInjection.MvcServiceCollectionExtensions.AddMvc(IServiceCollection services) at try1.Startup.ConfigureServices(IServiceCollection services) in C:\#NIN\dotnetcore\tryx\try1\Startup.cs:line 35 --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services) at Microsoft.AspNetCore.Hosting.Internal.WebHost.EnsureApplicationServices() at Microsoft.AspNetCore.Hosting.Internal.WebHost.Initialize() at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build() at try1.Program.Main(String[] args) in C:\#NIN\dotnetcore\tryx\try1\Program.cs:line 17 ⚡ NIN@DATASCAPE  C\..\..\..\try1 