System.IO.FileNotFoundException: Could not find file .blazor.config

[moonolgerd]

I followed the instructions provided, but getting the following exception (.NET Core 3):

File name: 'Electronic\Electronic\obj\Host\bin\Electronic.blazor.config' at System.IO.FileStream.ValidateFileHandle(SafeFileHandle fileHandle) at System.IO.FileStream.CreateFileOpenHandle(FileMode mode, FileShare share, FileOptions options) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options) at System.IO.StreamReader.ValidateArgsAndOpenPath(String path, Encoding encoding, Int32 bufferSize) at System.IO.StreamReader..ctor(String path, Encoding encoding) at System.IO.File.ReadLines(String path) at Microsoft.AspNetCore.Blazor.Server.BlazorConfig..ctor(String assemblyPath) at Microsoft.AspNetCore.Blazor.Server.BlazorConfig.Read(String assemblyPath) at Microsoft.AspNetCore.Builder.BlazorHostingApplicationBuilderExtensions.UseClientSideBlazorFiles(IApplicationBuilder app, String clientAssemblyFilePath) at Microsoft.AspNetCore.Builder.BlazorHostingApplicationBuilderExtensions.UseClientSideBlazorFiles[TClientApp](IApplicationBuilder app) at Electronic.Startup.Configure(IApplicationBuilder app, IWebHostEnvironment env) in Electronic\Electronic\Startup.cs:line 49 at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at Microsoft.AspNetCore.Hosting.ConfigureBuilder.Invoke(Object instance, IApplicationBuilder builder) at Microsoft.AspNetCore.Hosting.ConfigureBuilder.<>c__DisplayClass4_0.<Build>b__0(IApplicationBuilder builder) at Microsoft.AspNetCore.Hosting.GenericWebHostBuilder.<>c__DisplayClass13_0.<UseStartup>b__2(IApplicationBuilder app) at Microsoft.AspNetCore.Mvc.Filters.MiddlewareFilterBuilderStartupFilter.<>c__DisplayClass0_0.<Configure>g__MiddlewareFilterBuilder|0(IApplicationBuilder builder) at Microsoft.AspNetCore.HostFilteringStartupFilter.<>c__DisplayClass0_0.<Configure>b__0(IApplicationBuilder app) at Microsoft.AspNetCore.Hosting.GenericWebHostService.StartAsync(CancellationToken cancellationToken)

[asmodat]

Same issue here