title: ILMerge.Task Unresolved assembly reference not allowed
body: <p>I have installed <code>MSBuild.ILMerge.Task</code> into my project using <code>Nuget</code>.
  When i try to build my project , An error comes up : </p>
  
  <blockquote>
    <p>Error : Unresolved assembly reference not allowed: ICSharpCode.SharpZipLib.</p>
  </blockquote>
  
  <p>I searched everywhere but couldn't found anything useful...</p>
  
  <p>How to fix this error ?</p>