Bug 53147 - Could not link assemblies. Reason: Value cannot be null
Summary: Could not link assemblies. Reason: Value cannot be null
Status: RESOLVED NORESPONSE
Alias: None
Product: Forms
Classification: Xamarin
Component: Forms ()
Version: 2.3.3
Hardware: PC Windows
: --- normal
Target Milestone: ---
Assignee: Paul DiPietro [MSFT]
URL:
Depends on:
Blocks:
 
Reported: 2017-03-08 12:00 UTC by Sergio Chaves
Modified: 2017-06-16 17:56 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED NORESPONSE

Description Sergio Chaves 2017-03-08 12:00:36 UTC
Different as reported in bug 48246, /Library/Frameworks/Xamarin.iOS.framework/Versions/Current/bin/mtouch already is in 64 version, and error persists.
After several tries, seems to be the "[XamlCompilation (XamlCompilationOptions.Compile)]" attribute the reason of our errors. As related in "https://developer.xamarin.com/guides/xamarin-forms/xaml/xamlc/" Xamarin's docs page, this attribute serves to increase app's performance. We're using Visual Studio 2015 Update 3, trying to create the IPA file with Ad-Hoc and iPhone Build Configuration, connected on Mac running MacOS Sierra 10.11.13.
After completely removing this attribute, mtouch was able to compile and generate IPA file, without erros.
Comment 1 Sergio Chaves 2017-03-08 12:02:24 UTC
Microsoft Visual Studio Enterprise 2015
Version 14.0.25431.01 Update 3
Microsoft .NET Framework
Version 4.6.01586

Installed Version: Enterprise

Architecture and Modeling Tools   00322-80000-00000-AA483
Microsoft Architecture and Modeling Tools
    
UML® and Unified Modeling Language™ are trademarks or registered trademarks of the Object Management Group, Inc. in the United States and other countries.

Microsoft Visual Studio Tools for Applications 2015   00322-80000-00000-AA483
Microsoft Visual Studio Tools for Applications 2015

Visual Basic 2015   00322-80000-00000-AA483
Microsoft Visual Basic 2015

Visual C# 2015   00322-80000-00000-AA483
Microsoft Visual C# 2015

Visual C++ 2015   00322-80000-00000-AA483
Microsoft Visual C++ 2015

Visual F# 2015   00322-80000-00000-AA483
Microsoft Visual F# 2015

Windows Phone SDK 8.0 - ENU   00322-80000-00000-AA483
Windows Phone SDK 8.0 - ENU

Application Insights Tools for Visual Studio Package   7.18.00214.2
Application Insights Tools for Visual Studio

ASP.NET and Web Tools 2015.1   14.1.21111.0
ASP.NET and Web Tools 2015.1

ASP.NET Web Frameworks and Tools 2012.2   4.1.41102.0
For additional information, visit http://go.microsoft.com/fwlink/?LinkID=309563

ASP.NET Web Frameworks and Tools 2013   5.2.40314.0
For additional information, visit http://www.asp.net/

Azure App Service Tools v2.9.6   14.0.21111.0
Azure App Service Tools v2.9.6

Azure Data Lake Node   1.0
This package contains the Data Lake integration nodes for Server Explorer.

Azure Data Lake Tools for Visual Studio   2.2.2100.0
Microsoft Azure Data Lake Tools for Visual Studio

Common Azure Tools   1.8
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Devart Entity Developer   6.0.116.0
Devart Entity Developer
Copyright © 2008-2016 Devart. All rights reserved.
Web: www.devart.com/entitydeveloper 
Support: support@devart.com

JavaScript Language Service   2.0
JavaScript Language Service

JavaScript Project System   2.0
JavaScript Project System

Merq   1.1.14-alpha (21c13c9)
Command Bus, Event Stream and Async Manager for Visual Studio extensions.

Microsoft .NET Core Tools (Preview 2)   14.1.21111.0
Microsoft .NET Core Tools (Preview 2)

Microsoft Azure Hive Query Language Service   2.2.2100.0
Language service for Hive query

Microsoft Azure Mobile Services Tools   1.4
Microsoft Azure Mobile Services Tools

Microsoft Azure Tools   2.9
Microsoft Azure Tools for Microsoft Visual Studio 2015 - v2.9.41104.6

Mono Debugging for Visual Studio   Mono.Debugging.VisualStudio
Support for debugging Mono processes with Visual Studio.

NuGet Package Manager   3.5.0
NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/.

PreEmptive Analytics Visualizer   1.2
Microsoft Visual Studio extension to visualize aggregated summaries from the PreEmptive Analytics product.

SQL Server Analysis Services   13.0.1701.8
Microsoft SQL Server Analysis Services Designer 
Version 13.0.1701.8

SQL Server Data Tools   14.0.61021.0
Microsoft SQL Server Data Tools

SQL Server Integration Services   
Microsoft SQL Server Integration Services Designer
Version 13.0.1601.5

SQL Server Reporting Services   13.0.1701.8
Microsoft SQL Server Reporting Services Designers 
Version 13.0.1701.8

ToolWindowHostedEditor   1.0
Hosting json editor into a tool window

TypeScript   1.8.36.0
TypeScript tools for Visual Studio

Visual Studio Tools for Universal Windows Apps   14.0.25527.01
The Visual Studio Tools for Universal Windows apps allow you to build a single universal app experience that can reach every device running Windows 10: phone, tablet, PC, and more. It includes the Microsoft Windows 10 Software Development Kit.

Windows Installer XML Toolset   3.10.3.3007
Windows Installer XML Toolset version 3.10.3.3007
Copyright (c) .NET Foundation and contributors. All rights reserved.

Xamarin   4.3.0.784 (73f58d6)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin.Android   7.1.0.41 (9578cdc)
Visual Studio extension to enable development for Xamarin.Android.

Xamarin.iOS   10.4.0.123 (35d1ccd)
Visual Studio extension to enable development for Xamarin.iOS.
Comment 2 Paul DiPietro [MSFT] 2017-03-08 14:34:58 UTC
Is this only with the project you're working on? Have you tried reproducing it in a separate project, and could you try and upload a reproduction to look at?
Comment 3 Paul DiPietro [MSFT] 2017-06-16 17:56:49 UTC
This issue will be closed due to a lack of response. Please reopen this and attach a minimized reproduction project if the issue still exists as of the latest prerelease or nightly build.