Aspnetcore: rzc generate exited with code -2147450730

[raghavendra-udyavar]

Describe the bug

Compiler error: rzc generate exited with code -2147450730

To Reproduce

Steps to reproduce the behavior:

1. Using version of ASP.NET Core 3.0 for server component and .Net Standard 2.0 target framework on client, Visual Studio 2019 preview Community
2. Create a 'Blank ASP.net Web project with Blazor'
3. Hit F5
4. See error: rzc generate exited with code -2147450730

Expected behavior

The default project should have compiled and run.

Screenshots

Additional context

Add any other context about the problem here.
Include the output of dotnet --info

[raghavendra-udyavar]

Got the error fixed and working. But not sure exactly what fixed the issue. I did 3 things

1. Downloaded and installed the latest version of .NET Core 3.0
2. Changed the target framework from .Net Standard 2.0 to .Net Standard 2.1, which changed the error to something else.
3. Changed the target framework to .Net Standard 2.0 back again.

It would be great to know from the team which one might have fixed the issue and why?

[mkArtakMSFT]

Thanks @raghavendra-udyavar.
Glad that your issue got fixed.
@pranavkm do you have thoughts regarding what may have fixed this?

[pranavkm]

The error code indicates that you were missing a version of the .NET Core 3.0 runtime required to run the tool. Perhaps you picked up the Blazor VSIX, but not the preview3 SDK required to build or run the app. The first step (Downloaded and installed the latest version of .NET Core 3.0) likely fixed the issue. Feel free to reopen if you continue seeing this issue so we can investigate further.

[chrisw000]

I installed the x86 SDK and got this error.
After uninstalling the x86 SDK and installing the x64 SDK the error went away.

[RaulSebastian]

I installed the x86 SDK and got this error.
After uninstalling the x86 SDK and installing the x64 SDK the error went away.

Had the same issue and this fixed it for me aswell.