RubyMine: expected ; or end of line error after some colon

Question

My rails project works just fine. But rubymine highlights error expected ; or end of line after some colon :. For example

before_a         


        

Answer 1

With later RubyMine versions on Mac: Go to Preferences -> 'Language & Frameworks' -> 'Ruby SDK and Gems', and change to Ruby 2.0 SDK Restart and it should work.