Does not seem to work in IntelliJ 13.1.3

[ruraj]

After restart, IntelliJ gives an IDE error with the following:

Language Language: CoffeeScript doesn't participate in view provider CoffeeScriptViewProvider{myVirtualFile=file:///home/ruraj/src/stock-manager/app/assets/javascripts/index.coffee, content=VirtualFileContent{size=29}}: [Language: CoffeeScript]: Language Language: CoffeeScript doesn't participate in view provider CoffeeScriptViewProvider{myVirtualFile=file:///home/ruraj/src/stock-manager/app/assets/javascripts/index.coffee, content=VirtualFileContent{size=29}}: [Language: CoffeeScript]