TypeError: Cannot read property 'name' of undefined in `getCompletionEntryDisplayNameForSymbol` during `getCompletionEntryDetails`

[aozgaa]

tsserver version: 2.6.1
hits: 14161
stack

TypeError: Cannot read property 'name' of undefined
    at getCompletionEntryDisplayNameForSymbol (tsserver.js:66233:30)
    at tsserver.js:65273:24
    at Object.find (tsserver.js:1377:17)
    at getSymbolCompletionFromEntryId (tsserver.js:65272:29)
    at Object.getCompletionEntryDetails (tsserver.js:65280:36)
    at Object.getCompletionEntryDetails (tsserver.js:79782:35)
    at tsserver.js:86221:64
    at Object.mapDefined (tsserver.js:1610:30)
    at IOSession.Session.getCompletionEntryDetails (tsserver.js:86219:27)
    at Session.handlers.ts.createMapFromTemplate._a.(anonymous function) (tsserver.js:85317:61)
    at tsserver.js:86669:88
    at IOSession.Session.executeWithRequestId (tsserver.js:86660:28)
    at IOSession.Session.executeCommand (tsserver.js:86669:33)
    at IOSession.Session.onMessage (tsserver.js:86689:35)
    at Interface.<anonymous> (tsserver.js:87881:27)
    at emitOne (events.js:96:13)
    at Interface.emit (events.js:191:7)
    at Interface._onLine (readline.js:241:10)
    at Interface._normalWrite (readline.js:384:12)
    at Socket.ondata (readline.js:101:10)
    at emitOne (events.js:96:13)
    at Socket.emit (events.js:191:7)
    at readableAddChunk (_stream_readable.js:178:18)
    at Socket.Readable.push (_stream_readable.js:136:10)
    at Pipe.onread (net.js:560:20)

[mhegazy]

The Source: Telemetry have limited information. we only have the call stack from the crash report. We need to either mitigate the crash, or add additional asserts to get more information in future crash reports.