Link crash

Build version: 1.6.9
Build date: 1981-01-01 01:01:02
Current date: 2021-09-11 12:02:28
Device: Vsmart Live
OS version: Android 10 (SDK 29)

Stack trace:
android.app.RemoteServiceException: Context.startForegroundService() did not then call Service.startForeground(): ServiceRecord{86a360c 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 12:01:58: SplashScreen created
2021-09-11 12:01:58: SplashScreen resumed
2021-09-11 12:01:59: SplashScreen paused
2021-09-11 12:01:59: HomeScreen created
2021-09-11 12:01:59: HomeScreen resumed
2021-09-11 12:02:00: HomeScreen paused
2021-09-11 12:02:00: HomeScreen resumed
2021-09-11 12:02:02: HomeScreen paused
2021-09-11 12:02:02: ChatScreen created
2021-09-11 12:02:02: ChatScreen resumed
2021-09-11 12:02:02: SplashScreen destroyed
2021-09-11 12:02:03: ChatScreen paused
2021-09-11 12:02:03: ChatScreen resumed
2021-09-11 12:02:08: ChatScreen paused
2021-09-11 12:02:08: CallScreen created
2021-09-11 12:02:08: CallScreen resumed
2021-09-11 12:02:09: CallScreen paused
2021-09-11 12:02:09: CallScreen resumed
2021-09-11 12:02:14: CallScreen paused
2021-09-11 12:02:15: CallScreen destroyed
2021-09-11 12:02:15: CallScreen created
2021-09-11 12:02:15: CallScreen resumed
2021-09-11 12:02:15: CallScreen paused
2021-09-11 12:02:16: CallScreen resumed
2021-09-11 12:02:26: CallScreen paused
2021-09-11 12:02:26: CallScreen destroyed
2021-09-11 12:02:26: CallScreen created
2021-09-11 12:02:26: CallScreen resumed