.NET Core Web API 5.0 build errors

Question

Severity Code Description Project File Line Suppression State Error NETSDK1005 Assets file 'D:\Working On\Gra\Gra\obj\project.assets.json' doesn't have a target for '.NETCoreApp,Version=v5.0'. Ensure that restore has run and that you have included 'netcoreapp5.0' in the TargetFrameworks for your project. Gra C:\Program Files\dotnet\sdk\5.0.100-preview.1.20155.7\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets 234

I've just create ASP.NET Core Web Application, and then when I run, I it's show message errors!

You can use .net core 3.1. Any specific use case to use .net 5 perview? or is it just for learning purpose? — Rajdeep D
– Rajdeep D, Commented Sep 20, 2020 at 14:03
@RajdeepDebnath it's not a Preview, it's a fully supported RC with a Go Live license. There are no build problems — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Sep 21, 2020 at 9:22
He is using preview as mentioned in the error C:\Program Files\dotnet\sdk\5.0.100-preview.1.20155.7\Sdks\Microsoft.NET.Sd — Rajdeep D
– Rajdeep D, Commented Sep 21, 2020 at 9:27
netcoreapp5.0 there's no such target. It's net5.0. Did you edit the csproj manually perhaps? Or use an outdated SDK? Install the latest .NET 5 SDK and just create a new project, eg dotnet new web or dotnet new webapp — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Sep 21, 2020 at 9:28

KnuturO · Accepted Answer · 2021-11-30 22:08:08Z

15

In my publish profile the Target Framework was set to NET5.0. Changed it to NET6.0 and the problem was gone.

answered Nov 30, 2021 at 22:08

KnuturO

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Luiz Lelis · Accepted Answer · 2020-11-26 09:33:31Z

12

Update to Nuget 5.8 Clear the local cache

error NETSDK1005: Assets file 'project.assets.json' ....

Try updating NuGet.exe to the 5.8.0 version or above:

nuget update -self

if you prefer to update the nuget version in Visual Studio, just follow this steps. Then, clear NuGet cache:

dotnet nuget locals all --clear

Download Nuget

found here

edited Nov 26, 2020 at 9:33

Luiz Lelis

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answered Nov 20, 2020 at 12:23

Manfred Wippel

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2 Comments

Tore Aurstad Over a year ago

Updating Nuget to latest (5.8) resolved compilation in VS 2019 (I do not use VS 2019 Preview) for a simple .Net 5.0 console app. Thanks.

tomRedox Over a year ago

Fixed it for me on an Azure Devops pipeline that had a 'Use Nuget' pipeline stage.

i31nGo · Accepted Answer · 2020-12-20 02:22:38Z

8

Delete the 'obj' folder and re-build the project.

answered Dec 20, 2020 at 2:22

i31nGo

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Panagiotis Kanavos · Accepted Answer · 2020-09-21 12:23:38Z

1

You're using an extremely old .NET 5 preview. ASP.NET Core Preview 1 specifically had no new features, it was essentially a version number change. There's no netcoreapp5.0 framework target any more, it's net5.0.

The latest version is 5.0 RC1 which is feature-complete and supported in production. Install it and create a new project with, eg dotnet new webapp or dotnet new webapi etc.

This version is supported by the latest Visual Studio 2019 Preview version.

edited Sep 21, 2020 at 12:23

answered Sep 21, 2020 at 9:34

Panagiotis Kanavos

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1 Comment

lamboktulus1379 Over a year ago

Thanks @Panagiotis Kanavos

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