connecting error

[FineKe]

Task threw exception
java.lang.RuntimeException: Stub!
at org.json.JSONObject.(JSONObject.java:23)
at io.socket.engineio.client.HandshakeData.(HandshakeData.java:16)
at io.socket.engineio.client.Socket.onPacket(Socket.java:499)
at io.socket.engineio.client.Socket.access$1000(Socket.java:31)
at io.socket.engineio.client.Socket$5.call(Socket.java:313)
at io.socket.emitter.Emitter.emit(Emitter.java:117)
at io.socket.engineio.client.Transport.onPacket(Transport.java:134)
at io.socket.engineio.client.transports.Polling.access$700(Polling.java:17)
at io.socket.engineio.client.transports.Polling$2.call(Polling.java:124)
at io.socket.engineio.parser.Parser.decodePayload(Parser.java:251)
at io.socket.engineio.client.transports.Polling._onData(Polling.java:134)
at io.socket.engineio.client.transports.Polling.onData(Polling.java:106)
at io.socket.engineio.client.transports.PollingXHR$5$1.run(PollingXHR.java:111)
at io.socket.thread.EventThread$2.run(EventThread.java:80)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)