Uncaught TypeError: Cannot read property 'client' of undefined

[zatrudnitel]

clean install samples and error

http://localhost:2819/signalr/hubs 500 (Internal Server Error)

and

Uncaught TypeError: Cannot read property 'client' of undefined
at HTMLDocument. (SignalR.StockTicker.js:71)
at c (jquery-1.10.2.min.js:4)
at Object.fireWith [as resolveWith] (jquery-1.10.2.min.js:4)
at Function.ready (jquery-1.10.2.min.js:4)
at HTMLDocument.q (jquery-1.10.2.min.js:4)