 
     @fetchSocialChannel (err, channel) =>
       if err
-        console.warn "CollaborationController: #{err}"
+        throwError err
         return callMethod 'notStarted'
 
       @isRealtimeSessionActive channel.id, (isActive, file) =>

    argIndex = 0
    console.error """
      IDE.CollaborationController:
      #{ format.replace /%s/g, -> args[argIndex++] or '%s' }
    """




  throwError: throwError = (err, args...) ->

    format = JSON.stringify \
      switch typeof err
        when 'string' then err
        when 'object' then err.message or err.description
