System.NullReferenceException: Object reference not set to an instance of an object. at GreenPepper.Interpreters.AbstractFlowInterpreter.IndicatesEndOfFlow(IExample table) at GreenPepper.Interpreters.AbstractFlowInterpreter.Interpret(ISpecification specification) at GreenPepper.Documents.Document.Execute(IInterpreterSelector interpreterSelector) at GreenPepper.Runners.DocumentRunner.Run(String source, String destination)