Hi Team
I need some help, i have WPF project build on version 2015 of VS IDE, but i want to update all the packages, they are all yellow in color. What steps must i used to resolve this problem by using command in nuget?
PM> Update-Package -Reinstall Attempting to gather dependencies information for multiple packages with respect to project 'Feedmill Weighbridge', targeting '.NETFramework,Version=v4.7.2' Attempting to resolve dependencies for multiple packages Update-Package : Unable to find package 'System.Diagnostics.DiagnosticSource'. Existing packages must be restored before performing an install or update. At line:1 char:1 + Update-Package -Reinstall + ~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Update-Package], Exception + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PackageManagement.PowerShellCmdlets.UpdatePackageCommand PM>