MyApp
|-bin
|   |-Debug
|   |   |-netcoreapp2.1
|   |   |  |-bin
.   .   .  |  |-...
.   .   .  |  |-MyApp.dll
.   .   .  |  |-...
           |-MyApp.deps.json
           |-MyApp.runtimeconfig.dev.json
           |-MyApp.runtimeconfig.json

An assembly specified in the application dependencies manifest
(MyApp.deps.json) was not found:
    package: 'MyApp', version: '1.0.0'
    path: 'MyApp.dll'

PM> dotnet ef migrations -v add InitialCreate
Using project 'C:UsersrohanProjectsMySolutionmyprojectMyApp.csproj'.
Using startup project 'C:UsersrohanProjectsMySolutionmyprojectMyApp.csproj'.
Writing 'C:UsersrohanProjectsMySolutionmyprojectobjMyApp.csproj.EntityFrameworkCore.targets'...
dotnet msbuild /target:GetEFProjectMetadata /property:EFProjectMetadataFile=C:UsersrohanAppDataLocalTemptmp4BF.tmp /verbosity:quiet /nologo C:UsersrohanProjectsMySolutionmyprojectMyApp.csproj
Writing 'C:UsersrohanProjectsMySolutionmyprojectobjMyApp.csproj.EntityFrameworkCore.targets'...
dotnet msbuild /target:GetEFProjectMetadata /property:EFProjectMetadataFile=C:UsersrohanAppDataLocalTemptmpEB2.tmp /verbosity:quiet /nologo C:UsersrohanProjectsMySolutionmyprojectMyApp.csproj
dotnet build C:UsersrohanProjectsMySolutionmyprojectMyApp.csproj /verbosity:quiet /nologo

Build succeeded.

    0 Warning(s)
    0 Error(s)

Time Elapsed 00:00:17.49
dotnet exec --depsfile C:UsersrohanProjectsMySolutionmyprojectbinDebugnetcoreapp2.1netcoreapp2.1MyApp.deps.json
--additionalprobingpath C:Usersrohan.nugetpackages --additionalprobingpath "C:Program FilesdotnetsdkNuGetFallbackFolder"
--runtimeconfig C:UsersrohanProjectsMySolutionmyprojectbinDebugnetcoreapp2.1netcoreapp2.1MyApp.runtimeconfig.json
"C:Program Filesdotnetsdk2.1.700DotnetToolsdotnet-ef2.1.11toolsnetcoreapp2.1anytoolsnetcoreapp2.0anyef.dll"
migrations add InitialCreate
--assembly C:UsersrohanProjectsMySolutionmyprojectbinDebugnetcoreapp2.1netcoreapp2.1MyApp.dll
--startup-assembly C:UsersrohanProjectsMySolutionmyprojectbinDebugnetcoreapp2.1netcoreapp2.1MyApp.dll
--project-dir C:UsersrohanProjectsMySolutionmyproject --language C#
--working-dir C:UsersrohanProjectsMySolutionmyproject --verbose --root-namespace MyApp
dotnet : Error:
At line:1 char:1
+ dotnet ef migrations -v add InitialCreate
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (Error::String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError

  An assembly specified in the application dependencies manifest (MyApp.deps.json) was not found:
    package: 'MyApp', version: '1.0.0'
    path: 'MyApp.dll'

{
  "runtimeTarget": {
    "name": ".NETCoreApp,Version=v2.1",
    "signature": "..."
  },
  "compilationOptions": {},
  "targets": {
    ".NETCoreApp,Version=v2.1": {
      "MyApp/1.0.0": {
        "dependencies": {
          ...
        },
        "runtime": {
          "MyApp.dll": {}
        }
      },
      ...
    }
    ...
  }
  ...
}