Specifically for android after calling method pusher?.subscribePrivate(channelName,FlutterPrivateChannelEventListener.instance )

[umaisqureshi]

E/AndroidRuntime(22774): FATAL EXCEPTION: pusher-java-client eventQueue
E/AndroidRuntime(22774): Process: com.innoscripta.time_tracking_app, PID: 22774
E/AndroidRuntime(22774): java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.pusher.client.channel.impl.message.AuthResponse.getChannelData()' on a null object reference
E/AndroidRuntime(22774): at com.pusher.client.channel.impl.PrivateChannelImpl.authorize(PrivateChannelImpl.java:84)
E/AndroidRuntime(22774): at com.pusher.client.channel.impl.PrivateChannelImpl.toSubscribeMessage(PrivateChannelImpl.java:101)
E/AndroidRuntime(22774): at com.pusher.client.channel.impl.ChannelManager.lambda$sendOrQueueSubscribeMessage$0$com-pusher-client-channel-impl-ChannelManager(ChannelManager.java:134)
E/AndroidRuntime(22774): at com.pusher.client.channel.impl.ChannelManager$$ExternalSyntheticLambda2.run(Unknown Source:4)
E/AndroidRuntime(22774): at com.pusher.client.util.Factory.lambda$queueOnEventThread$0(Factory.java:140)
E/AndroidRuntime(22774): at com.pusher.client.util.Factory$$ExternalSyntheticLambda0.run(Unknown Source:2)
E/AndroidRuntime(22774): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
E/AndroidRuntime(22774): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644)
E/AndroidRuntime(22774): at java.lang.Thread.run(Thread.java:1012)