c# - Could not load file or assembly 'Microsoft.Build.Framework'(VS 2017)

Question

When I try running the command "update-database", I get this exception:

Specify the '-Verbose' flag to view the SQL statements being applied to the target database. System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Build.Framework, Version=15.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified. File name: 'Microsoft.Build.Framework, Version=15.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'

WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value [HKLMSoftwareMicrosoftFusion!EnableLog] (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value [HKLMSoftwareMicrosoftFusion!EnableLog].

Could not load file or assembly 'Microsoft.Build.Framework, Version=15.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified.`

Answer 1

Our local build script was using an older version of nuget.exe (4.7.1.5393) to restore NuGet packages. We started getting this error after updating to Visual Studio 2019 version 16.5.0. Updating to the latest version of nuget.exe (5.4.0.6315) fixed the issue for us.

nuget.exe can be downloaded here: https://www.nuget.org/downloads.