1 files changed, 5 insertions, 1 deletions
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/MonoDevelopWorkspace.ProjectSystemHandler.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/MonoDevelopWorkspace.ProjectSystemHandler.cs
index 2e129b53b2..99d5dc5b17 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/MonoDevelopWorkspace.ProjectSystemHandler.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/MonoDevelopWorkspace.ProjectSystemHandler.cs
@@ -488,10 +488,14 @@ namespace MonoDevelop.Ide.TypeSystem
 				if (node == null || !node.Parser.CanGenerateProjection (mimeType, f.BuildAction, p.SupportedLanguages))
 					return new List<DocumentInfo> ();
 
+				var content = TextFileProvider.Instance.GetReadOnlyTextEditorData (f.FilePath, throwOnFileNotFound: false);
+				if (content == null)
+					return new List<DocumentInfo> ();
+
 				var options = new ParseOptions {
 					FileName = f.FilePath,
 					Project = p,
-					Content = TextFileProvider.Instance.GetReadOnlyTextEditorData (f.FilePath),
+					Content = content,
 				};
 				var generatedProjections = await node.Parser.GenerateProjections (options, token);
 				var list = new List<Projection> ();