title: One or more errors occurred while processing template 'Entity.tt'
body: <p>Am using Microsoft Visual Studio Tools for Applications 2015, I have installed EF Power Tools as in <a href="http://thedatafarm.com/data-access/installing-ef-power-tools-into-vs2015/" rel="nofollow noreferrer">Installing EF Power Tools into VS2015</a></p>
  
  <p>After that I was trying to run EF Reverse engineering code first approach, but I was getting the issue and resolved from <a href="https://stackoverflow.com/a/36863371/4286033">Visual Studio 2015 Update 2 breaks EF reverse code engineer vsix</a></p>
  
  <p>When I have done this I am getting an issues now as <strong>One or more errors occurred while processing template 'Entity.tt'.</strong>
  For this I have followed <a href="https://blogs.msmvps.com/marafa/2013/09/15/one-or-more-errors-occurred-while-processing-template-entity-tt-using-reverse-engineer-code-first-in-vs-2012-update-1/" rel="nofollow noreferrer">One or more errors occurred while processing template ‘Entity.tt’.</a>
  And I have even added</p>
  
  <pre><code>Trusted_Connection=False;Persist Security Info=True
  </code></pre>
  
  <p>In web.config and changed <strong>Persist Security Info=True</strong> in advanced tab, but still the issues isn't resolved am getting the same issue as in title.</p>
  
  <p><strong>Need help/suggestions.</strong></p>
  
  <p>Detiled error from visual studio output window.</p>
  
  <pre><code>One or more errors occurred while processing template 'Entity.tt'.
  error : An exception was thrown while trying to compile the transformation code. The following Exception was thrown:
  System.ArgumentException: Empty path name is not legal.
     at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
     at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
     at System.IO.File.OpenRead(String path)
     at Roslyn.Utilities.FileUtilities.OpenFileStream(String path)
     at Microsoft.CodeAnalysis.MetadataReference.CreateFromFile(String path, MetadataReferenceProperties properties, DocumentationProvider documentation)
     at Microsoft.VisualStudio.TextTemplating.CompilerBridge.&lt;&gt;c.&lt;.ctor&gt;b__15_0(String x)
     at System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext()
     at System.Linq.Enumerable.&lt;UnionIterator&gt;d__66`1.MoveNext()
     at System.Linq.Enumerable.&lt;UnionIterator&gt;d__66`1.MoveNext()
     at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
     at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
     at System.Collections.Immutable.ImmutableArray.CreateRange[T](IEnumerable`1 items)
     at Microsoft.CodeAnalysis.ImmutableArrayExtensions.AsImmutableOrEmpty[T](IEnumerable`1 items)
     at Microsoft.CodeAnalysis.Compilation.ValidateReferences[T](IEnumerable`1 references)
     at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.WithReferences(IEnumerable`1 references)
     at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.CommonWithReferences(IEnumerable`1 newReferences)
     at Microsoft.VisualStudio.TextTemplating.CompilerBridge.PrepareNewCompilation()
     at Microsoft.VisualStudio.TextTemplating.CompilerBridge.Compile()
     at Microsoft.VisualStudio.TextTemplating.TransformationRunner.Compile(String source, String inputFile, IEnumerable`1 references, Boolean debug, SupportedLanguage language, String compilerOptions)
  </code></pre>
  
  <p><strong>Need help/suggestions</strong></p>