ReferenceError: relativeYearlyProfit is not defined

[askmike]

2018-05-18 18:23:28 (INFO): Starting to watch the market: Exchange Simulator BTC/USD
[EXCHANGE SIMULATOR] emitted 1800 fake trades, up until 2018-05-18 18:23:28.
[EXCHANGE SIMULATOR] emitted 20 fake trades, up until 2018-05-18 18:23:48.
[EXCHANGE SIMULATOR] emitted 20 fake trades, up until 2018-05-18 18:24:08.
/Users/pear/projects/gekko/plugins/performanceAnalyzer/performanceAnalyzer.js:167
  const sharpe = (relativeYearlyProfit - perfConfig.riskFreeReturn) 
                 ^

ReferenceError: relativeYearlyProfit is not defined
    at PerformanceAnalyzer.calculateReportStatistics (/Users/pear/projects/gekko/plugins/performanceAnalyzer/performanceAnalyzer.js:167:18)
    at PerformanceAnalyzer.bound [as calculateReportStatistics] (/Users/pear/projects/gekko/node_modules/lodash/dist/lodash.js:729:21)
    at PerformanceAnalyzer.processTradeCompleted (/Users/pear/projects/gekko/plugins/performanceAnalyzer/performanceAnalyzer.js:93:23)
    at PaperTrader.bound (/Users/pear/projects/gekko/node_modules/lodash/dist/lodash.js:729:21)
    at emitOne (events.js:116:13)
    at PaperTrader.emit (events.js:211:7)
    at PaperTrader.bound [as emit] (/Users/pear/projects/gekko/node_modules/lodash/dist/lodash.js:729:21)
    at PaperTrader.GekkoEventEmitter.broadcastDeferredEmit (/Users/pear/projects/gekko/core/emitter.js:30:8)
    at PaperTrader.bound [as broadcastDeferredEmit] (/Users/pear/projects/gekko/node_modules/lodash/dist/lodash.js:729:21)
    at _.find.producer (/Users/pear/projects/gekko/core/gekkoStream.js:74:26)