Link crash

Build version: 1.6.9
Build date: 1981-01-01 01:01:02
Current date: 2021-09-11 11:50:03
Device: Vsmart Live
OS version: Android 10 (SDK 29)

Stack trace:
android.app.RemoteServiceException: Context.startForegroundService() did not then call Service.startForeground(): ServiceRecord{f211a4 u0 com.civix.link/.Service.GroupCallService}
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1948)
    at android.os.Handler.dispatchMessage(Handler.java:107)
    at android.os.Looper.loop(Looper.java:214)
    at android.app.ActivityThread.main(ActivityThread.java:7458)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)

User actions:
2021-09-11 11:48:00: SplashScreen created
2021-09-11 11:48:00: SplashScreen resumed
2021-09-11 11:48:01: SplashScreen paused
2021-09-11 11:48:02: HomeScreen created
2021-09-11 11:48:03: HomeScreen resumed
2021-09-11 11:48:03: HomeScreen paused
2021-09-11 11:48:03: HomeScreen resumed
2021-09-11 11:48:07: HomeScreen paused
2021-09-11 11:48:07: ChatScreen created
2021-09-11 11:48:07: ChatScreen resumed
2021-09-11 11:48:07: SplashScreen destroyed
2021-09-11 11:48:10: ChatScreen paused
2021-09-11 11:48:10: HomeScreen resumed
2021-09-11 11:48:20: ChatScreen destroyed
2021-09-11 11:48:40: HomeScreen paused
2021-09-11 11:48:41: ChatScreen created
2021-09-11 11:48:41: ChatScreen resumed
2021-09-11 11:48:42: ChatScreen paused
2021-09-11 11:48:42: ChatScreen resumed
2021-09-11 11:48:46: ChatScreen paused
2021-09-11 11:48:46: HomeScreen resumed
2021-09-11 11:48:48: HomeScreen paused
2021-09-11 11:48:48: UserConfigScreen created
2021-09-11 11:48:48: UserConfigScreen resumed
2021-09-11 11:48:48: ChatScreen destroyed
2021-09-11 11:48:52: UserConfigScreen paused
2021-09-11 11:48:52: HomeScreen resumed
2021-09-11 11:48:54: HomeScreen paused
2021-09-11 11:48:54: ChatScreen created
2021-09-11 11:48:54: ChatScreen resumed
2021-09-11 11:48:54: UserConfigScreen destroyed
2021-09-11 11:48:55: ChatScreen paused
2021-09-11 11:48:56: ChatScreen resumed
2021-09-11 11:48:58: ChatScreen paused
2021-09-11 11:48:58: CallScreen created
2021-09-11 11:48:58: CallScreen resumed
2021-09-11 11:48:59: CallScreen paused
2021-09-11 11:48:59: CallScreen resumed
2021-09-11 11:49:59: CallScreen paused
2021-09-11 11:50:00: CallScreen destroyed
2021-09-11 11:50:00: CallScreen created
2021-09-11 11:50:00: CallScreen resumed
2021-09-11 11:50:01: CallScreen paused
2021-09-11 11:50:01: CallScreen destroyed
2021-09-11 11:50:01: CallScreen created
2021-09-11 11:50:01: CallScreen resumed
2021-09-11 11:50:01: CallScreen paused