In Visual Studio 2013 I started getting the following error when trying to open C# files: No EditorOptionDefinition export found for the given option name: Tabs/ConvertTabsToSpaces Parameter name: optionID I was having no issues all morning until I closed and re-opened a C# solution I was working on when this error started. I checked and this error happens when I open any C# project on this comput
![No EditorOptionDefinition Export Found Error](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)