title: Xamarin.Forms Errors (ADB0000:Value Cannot be null)
body: <p>What does this even mean? I had my program running and deploying fine and then the next day this error popped up?</p>
  
  <blockquote>
    <p>Severity  Code    Description Project File    Line    Suppression State   Tool
    Error     ADB0000: Value cannot be null. Parameter name: path2    at
    System.IO.Path.Combine(String path1, String path2, String path3)    at
    Xamarin.AndroidTools.PlatformPackage.GetVersionInfo(String
    frameworkVersion)    at
    Xamarin.AndroidTools.PlatformPackage.GetPlatformPackageVersion(Int32
    apiLevel, String&amp; packageName)    at
    AndroidDeviceExtensions.d__33.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---    at
    System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
    task)    at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task)    at AndroidDeviceExtensions.d__27.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---    at
    System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
    task)    at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task)    at
    Xamarin.AndroidTools.AndroidDeploySession.d__101.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---    at
    System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
    task)    at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task)    at
    Xamarin.AndroidTools.AndroidDeploySession.d__99.MoveNext()<br>
      0</p>
  </blockquote>
  
  <p>I was trying to follow an online YouTube tutorial (<a href="https://www.youtube.com/watch?v=eAZ4kPf5eTc" rel="noreferrer">https://www.youtube.com/watch?v=eAZ4kPf5eTc</a>) and it worked fine until I got this error?</p>