Error in Migrations EntityFramework C #

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Error while performing Migrations.

  The ADO.NET provider with invariant name 'SqlClient' is either not registered in the machine or application config file, or could not be loaded. See the inner exception for details.

My App.Config 

<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</configSections>
<startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" />
</startup>
<entityFramework>
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
    <providers>
    <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
    </providers>
</entityFramework>

<connectionStrings>
    <add name="MinhaStringDeConexao"
        connectionString="Data Source=.\SQLEXPRESS;Initial Catalog=Adventure;Integrated Security=True"
        providerName="System.Data.SqlClient"/>
</connectionStrings>
</configuration>
    
asked by anonymous 22.06.2017 / 21:46

1 answer

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Your EntityFramework was not installed correctly, run the following command at Package Manage Console : 

Install-Package EntityFramework
    
22.06.2017 / 21:53
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