Cannot convert undefined or null to object

[brucejcw]

TypeError: Cannot convert undefined or null to object at Function.keys () at Object.addDerivedInfoForFile (/builds/dana/dana-home/node_modules/[email protected]@macaca-istanbul/lib/object-utils.js:58:20) at Collector.fileCoverageFor (/builds/dana/dana-home/node_modules/[email protected]@macaca-istanbul/lib/collector.js:94:15) at /builds/dana/dana-home/node_modules/[email protected]@macaca-istanbul/lib/report/html.js:559:90 at Array.forEach () at HtmlReport.writeReport (/builds/dana/dana-home/node_modules/[email protected]@macaca-istanbul/lib/report/html.js:558:27) at /builds/dana/dana-home/node_modules/[email protected]@macaca-istanbul/lib/reporter.js:93:20 at Array.forEach () at Reporter.write (/builds/dana/dana-home/node_modules/[email protected]@macaca-istanbul/lib/reporter.js:87:30) at module.exports (/builds/dana/dana-home/node_modules/[email protected]@macaca-reporter/lib/coverage.js:68:12) at done (/builds/dana/dana-home/node_modules/[email protected]@macaca-reporter/lib/macaca-reporter.js:37:5) at MacacaReporter.done (/builds/dana/dana-home/node_modules/[email protected]@macaca-reporter/lib/macaca-reporter.js:84:35) at done (/builds/dana/dana-home/node_modules/[email protected]@mocha/lib/mocha.js:606:16) at Runner. (/builds/dana/dana-home/node_modules/[email protected]@mocha/lib/runner.js:864:5) at emitNone (events.js:111:20) at Runner.emit (events.js:208:7) at /builds/dana/dana-home/node_modules/[email protected]@mocha/lib/runner.js:851:12 at /builds/dana/dana-home/node_modules/[email protected]@mocha/lib/runner.js:690:9 at next (/builds/dana/dana-home/node_modules/[email protected]@mocha/lib/runner.js:303:14) at Immediate. (/builds/dana/dana-home/node_modules/[email protected]@mocha/lib/runner.js:347:5) at runCallback (timers.js:810:20) at tryOnImmediate (timers.js:768:5) at processImmediate [as _immediateCallback] (timers.js:745:5)