An assembly specified in the application dependencies manifest (.deps.json) was not found

The specified deps.json '$$$' does not exist

runtimes... section in ...project.json... looks suspicious. As soon as you build for one runtime only - there is no need to use it....Remove it and rewrite dependency from ..."Microsoft.NETCore.App":"1.1.0"... to ..."Microsoft.NETCore.App": { "type": "platform", "version": "1.1.0" }.......This will change your app deployment model from "self-contai...

Invalid JSON file project.json

Are you missing a reference to the Entity framework package in the dependencies:..."Microsoft.EntityFrameworkCore": "1.0.0" ...Also you need the imports for EF Core for executing migrations and updates (command line). This needs to be in the tools seciton (the tools reference also needs to be in the dependencies like you put it, do not remove it) ....

Microsoft.AspNetCore.Hosting.Abstractions manifest definition does not match the assembly reference

In order to get NuGet to add the appropriate binding redirects to class library projects, you need to add the following to your ...*.csproj... file....<PropertyGroup> <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects> <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType> </PropertyGroup>

Unable to generate deps.json to enable migrations

My project was using dotnet core 2.2. I had to use dotnet-svcutil 1.0.4 because higher versions did not work for me. Installing dotnet-svcutil did the trick for me. You can search for dotnet-svcutil under "Manage Packages for solution" from Nuget Packages Manager under tools and then install

Specify which project file to use when inside project directory

Trying to use "dotnet ef" command in Package Manager Console. the PMC is cd to the .csproj directory, and still getting:...dotnet : Specify which project file to use because this 'C:\Users\PC-NAME\Source\Repos\TestProject\Test" contains more than one project file. At line:1 char:1 dotnet ef migrations add TestMigration + CategoryInfo : ...

Assembly 'System.Memory' not found when using Entity.FrameworkCore.Sqlite in Xamarin project

An update of VS2017 to version 15.7.3 solved the problem

EF Core migration errors with the located assembly's manifest definition does not match the assembly reference

This can also happen if you have ...Microsoft.EntityFrameworkCore.Design... package added to the wrong project. ...I added the package to ...project A (netcore).... Later I decided to make project A to target ...netstandard.... I then created ...Project B (netcore)... which reference ...project A (now netstandard).... ...When I try to create migrat...

The specified deps.json [path\App.Web.Site\App.Web.deps.json] does not exist

I have the same problem after I updated Visual Studio to 16.1.3. Create new project, run it, stop debug, then I read the following in Package Manager Console:...PM> add-migration -v initial Using project 'TestEf2'. Using startup project 'TestEf2'. Build started... Build succeeded. C:\Program Files\dotnet\dotnet.exe exec --depsfile G:\testef\TestEf2...

dotnet ef Could not execute because the specified command or file was not found

This problem is resolved when we open VS code in admin mode.

The store type 'Varchar(100)' could not be found in the SqlServer provider manifest

This is the error I am getting: The store type 'Varchar(100)' could not be found in the SqlServer provider manifest...This is because it's invalid, as mentioned in my comment above, you can't pass the length of the type in ...HasColumnType.... To fix this please see below....public EntityAConfiguration() { this.ToTable("EntityA"...