Build version: 1.7.1 
Build date: 1981-01-01 01:01:02 
Current date: 2021-09-22 09:33:11 
Device: Xiaomi Redmi Note 9 Pro 
OS version: Android 10 (SDK 29) 
 
Stack trace:  
java.lang.NullPointerException
	at java.util.concurrent.ConcurrentHashMap.putVal(ConcurrentHashMap.java:1019)
	at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1014)
	at com.civix.link.Libraries.JanusWithGoogle.meet.MeetingService.subscribe(MeetingService.java:119)
	at com.civix.link.Libraries.JanusWithGoogle.meet.MeetingClient.subscribe(MeetingClient.java:116)
	at com.civix.link.Screen.CallScreen.subscriberToUser(CallScreen.kt:1719)
	at com.civix.link.Screen.CallScreen$getMediaList$1.onSuccess(CallScreen.kt:1132)
	at com.civix.link.Network.ApiHelper$getData$1.onResponse(ApiHelper.kt:98)
	at com.androidnetworking.common.ANRequest.deliverSuccessResponse(ANRequest.java:727)
	at com.androidnetworking.common.ANRequest.access$6500(ANRequest.java:80)
	at com.androidnetworking.common.ANRequest$6.run(ANRequest.java:709)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:224)
	at android.app.ActivityThread.main(ActivityThread.java:7562)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)

User actions: 
2021-09-22 09:32:56: SplashScreen created
2021-09-22 09:32:56: SplashScreen resumed
2021-09-22 09:32:57: SplashScreen paused
2021-09-22 09:32:57: HomeScreen created
2021-09-22 09:32:57: HomeScreen resumed
2021-09-22 09:32:58: HomeScreen paused
2021-09-22 09:32:58: HomeScreen resumed
2021-09-22 09:33:00: HomeScreen paused
2021-09-22 09:33:00: ChatScreen created
2021-09-22 09:33:00: ChatScreen resumed
2021-09-22 09:33:00: SplashScreen destroyed
2021-09-22 09:33:01: ChatScreen paused
2021-09-22 09:33:01: ChatScreen resumed
2021-09-22 09:33:04: ChatScreen paused
2021-09-22 09:33:05: CallScreen created
2021-09-22 09:33:05: CallScreen resumed
2021-09-22 09:33:05: CallScreen paused
2021-09-22 09:33:05: CallScreen resumed