Unanswered question

I tried to create a NeoLoad script for HTTPS/WEBSOCKET application, the application is a video conference. When i replayed the script, i am getting the below mentioned error.

Any leads will be very helpful!

"Error detected by NeoLoad Error Code: NL-WEBSOCKET-CHANNEL-ENGINE Message: Error occurred while executing WebSocket channel. Details: java.util.concurrent.ExecutionException: org.eclipse.jetty.websocket.api.UpgradeException: Didn't switch protocols, expected status <101>, but got <400> at org.eclipse.jetty.util.FuturePromise.get(FuturePromise.java:138) at com.neotys.nl.c.b.JettyHttpClient.executeWebSocket(JettyHttpClient.java:880) at com.neotys.nl.controller.y.d.a.d.a(d.java:82) at com.neotys.nl.lg.engine.o.b(o.java:416) at com.neotys.nl.lg.engine.o.internalExecute(o.java:345) at com.neotys.nl.lg.engine.m.a(m.java:146) at com.neotys.nl.lg.engine.w.c(w.java:125) at com.neotys.nl.lg.engine.x.internalExecute(x.java:84) at com.neotys.nl.lg.engine.m.a(m.java:146) at com.neotys.nl.lg.engine.w.c(w.java:125) at com.neotys.nl.lg.engine.x.internalExecute(x.java:84) at com.neotys.nl.lg.engine.m.a(m.java:146) at com.neotys.nl.lg.engine.I.i(I.java:251) at com.neotys.nl.lg.engine.I.internalExecute(I.java:98) at com.neotys.nl.lg.engine.m.a(m.java:146) at com.neotys.nl.lg.engine.d.a(d.java:179) at com.neotys.nl.lg.engine.d.run(d.java:110) Caused by: org.eclipse.jetty.websocket.api.UpgradeException: Didn't switch protocols, expected status <101>, but got <400> at org.eclipse.jetty.websocket.client.io.UpgradeConnection.validateResponse(UpgradeConnection.java:352) at org.eclipse.jetty.websocket.client.io.UpgradeConnection.read(UpgradeConnection.java:280) at org.eclipse.jetty.websocket.client.io.UpgradeConnection.onFillable(UpgradeConnection.java:196) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:265) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:204) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:265) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572) at java.lang.Thread.run(Thread.java:748) Please refer to the documentation for further details and advice"