VS 2015 Xamarin: aviso erro IDE0006 encontrado ao carregar o projeto

Estou desenvolvendo um aplicativo Android usando o Xamarin.

O Visual Studio mostra esse aviso e não sei o que isso significa. Segui as instruções, mas não consigo encontrar otemp\\file

    Severity    Code    Description Project File    Line    Suppression State   Detail Description
Warning IDE0006 Error encountered while loading the project. Some project features, such as full solution analysis for the failed project and projects that depend on it, have been disabled.   daijoubu-app        1   Active  To see what caused the issue, please try below.

1. Close Visual Studio
2. Open a Visual Studio Developer Command Prompt
3. Set environment variable “TraceDesignTime” to true (set TraceDesignTime=true)
4. Delete .vs directory/.suo file
5. Restart VS from the command prompt you set the environment varaible (devenv)
6. Open the solution
7. Check 'C:\Users\Noli\AppData\Local\Temp\\daijoubu-app_*.designtime.log' and look for the failed tasks (FAILED)

A fonte completa está disponível emgithub.

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