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Release Fail - The "LinkAssemblies" task failed unexpectedly.

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Hello,

Im Having an issue with the release mode of my app.

When Trying To Build it I get the following error:

C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(5,5): Error MSB4018: The "LinkAssemblies" task failed unexpectedly.
Xamarin.Android.XamarinAndroidException: error XA2006: Reference to metadata item 'System.Func`1<Newtonsoft.Json.JsonSerializerSettings> Newtonsoft.Json.JsonConvert::get_DefaultSettings()' (defined in 'Xamarin.Forms.Labs.Services.Serialization.JsonNET, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null') from 'Xamarin.Forms.Labs.Services.Serialization.JsonNET, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null' could not be resolved. ---> Mono.Cecil.ResolutionException: Failed to resolve System.Func`1<Newtonsoft.Json.JsonSerializerSettings> Newtonsoft.Json.JsonConvert::get_DefaultSettings()
   at Mono.Linker.Steps.MarkStep.MarkMethod(MethodReference reference)
   at Mono.Linker.Steps.MarkStep.MarkInstruction(Instruction instruction)
   at Mono.Linker.Steps.MarkStep.MarkMethodBody(MethodBody body)
   at Mono.Linker.Steps.MarkStep.ProcessMethod(MethodDefinition method)
   at Mono.Linker.Steps.MarkStep.ProcessQueue()
   at Mono.Linker.Steps.MarkStep.Process()
   at Mono.Linker.Steps.MarkStep.Process(LinkContext context)
   at Mono.Linker.Pipeline.Process(LinkContext context)
   at MonoDroid.Tuner.Linker.Process(LinkerOptions options, LinkContext& context)
   at Xamarin.Android.Tasks.LinkAssemblies.Execute()
   --- End of inner exception stack trace ---
   at Xamarin.Android.Diagnostic.Error(Int32 code, Exception innerException, String message, Object[] args)
   at Xamarin.Android.Tasks.LinkAssemblies.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__20.MoveNext() (MSB4018) (App.Droid)

I found this topic, and tried to set Target Framework to 5 but it didnt solve my problem...

The only solution I found was to disable link but when I do this my app that had size of 15mb goes to 40mb and I cant release an app of this size....

Accordingo to this... linker decrease the size of the application:

When we build an application for distribution, we execute a process, known as Linking, that examines the application and removes any code that is not directly used. This process is similar to the functionality that Garbage Collection provides for heap-allocated memory. But instead of operating over objects, linking operates over your code. For example, there is a whole namespace in System.dll for sending and receiving email, but if your application does not make use of this functionality, that code is just wasting space.

How Can I solve this problem?
Any help?


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