Link crash

Build version: 1.8.7
Build date: 1981-01-01 01:01:02
Current date: 2022-07-23 23:37:54
Device: VERTU INTERNATIONAL CORPORATION LIMITED ASTER P
OS version: Android 8.1.0 (SDK 27)

Stack trace:
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.Activity.startIntentSenderForResult(android.content.IntentSender, int, android.content.Intent, int, int, int, android.os.Bundle)' on a null object reference
    at com.google.android.play.core.appupdate.d.startIntentSenderForResult(Unknown Source:9)
    at com.google.android.play.core.appupdate.e.startUpdateFlowForResult(Unknown Source:23)
    at com.google.android.play.core.appupdate.e.startUpdateFlowForResult(Unknown Source:9)
    at com.sanojpunchihewa.updatemanager.UpdateManager.startUpdate(UpdateManager.java:95)
    at com.sanojpunchihewa.updatemanager.UpdateManager.access$100(UpdateManager.java:26)
    at com.sanojpunchihewa.updatemanager.UpdateManager$1.onSuccess(UpdateManager.java:84)
    at com.sanojpunchihewa.updatemanager.UpdateManager$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:790)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:164)
    at android.app.ActivityThread.main(ActivityThread.java:6610)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)

User actions:
2022-07-23 23:32:25: SplashScreen created
2022-07-23 23:32:25: LoginScreen created
2022-07-23 23:32:26: LoginScreen resumed
2022-07-23 23:32:26: SplashScreen destroyed
2022-07-23 23:32:28: LoginScreen paused
2022-07-23 23:32:28: AuthorizationManagementActivity created
2022-07-23 23:32:28: AuthorizationManagementActivity resumed
2022-07-23 23:32:28: AuthorizationManagementActivity paused
2022-07-23 23:32:57: RedirectUriReceiverActivity created
2022-07-23 23:32:57: AuthorizationManagementActivity resumed
2022-07-23 23:32:57: AuthorizationManagementActivity paused
2022-07-23 23:32:57: LoginScreen resumed
2022-07-23 23:32:57: AuthorizationManagementActivity destroyed
2022-07-23 23:32:57: RedirectUriReceiverActivity destroyed
2022-07-23 23:32:59: LoginScreen paused
2022-07-23 23:32:59: HomeScreen created
2022-07-23 23:32:59: HomeScreen resumed
2022-07-23 23:33:00: HomeScreen paused
2022-07-23 23:33:00: LoginScreen destroyed
2022-07-23 23:33:11: HomeScreen resumed
2022-07-23 23:33:54: HomeScreen paused
2022-07-23 23:33:54: CreatePrivateScreen created
2022-07-23 23:33:54: CreatePrivateScreen resumed
2022-07-23 23:34:04: CreatePrivateScreen paused
2022-07-23 23:34:04: HomeScreen resumed
2022-07-23 23:34:04: CreatePrivateScreen destroyed
2022-07-23 23:34:19: HomeScreen paused
2022-07-23 23:34:20: HomeScreen destroyed
2022-07-23 23:34:22: SplashScreen created
2022-07-23 23:34:22: SplashScreen resumed
2022-07-23 23:34:23: SplashScreen paused
2022-07-23 23:34:23: HomeScreen created
2022-07-23 23:34:23: HomeScreen resumed
2022-07-23 23:34:23: SplashScreen destroyed
2022-07-23 23:34:24: HomeScreen paused
2022-07-23 23:34:28: HomeScreen resumed
2022-07-23 23:34:38: HomeScreen paused
2022-07-23 23:34:38: CreatePrivateScreen created
2022-07-23 23:34:38: CreatePrivateScreen resumed
2022-07-23 23:35:05: CreatePrivateScreen paused
2022-07-23 23:35:05: HomeScreen resumed
2022-07-23 23:35:05: HomeScreen paused
2022-07-23 23:35:05: ChatScreen created
2022-07-23 23:35:05: ChatScreen resumed
2022-07-23 23:35:06: CreatePrivateScreen destroyed
2022-07-23 23:36:02: ChatScreen paused
2022-07-23 23:36:02: CallingScreen created
2022-07-23 23:36:02: CallingScreen resumed
2022-07-23 23:36:08: CallingScreen paused
2022-07-23 23:36:08: SingleCallScreen created
2022-07-23 23:36:08: SingleCallScreen resumed
2022-07-23 23:36:08: SingleCallScreen paused
2022-07-23 23:36:08: SingleCallScreen resumed
2022-07-23 23:36:08: CallingScreen destroyed
2022-07-23 23:36:11: SingleCallScreen paused
2022-07-23 23:36:11: ChatScreen resumed
2022-07-23 23:36:11: SingleCallScreen destroyed
2022-07-23 23:37:47: ChatScreen paused
2022-07-23 23:37:47: HomeScreen resumed
2022-07-23 23:37:48: ChatScreen destroyed
2022-07-23 23:37:49: HomeScreen paused
2022-07-23 23:37:49: HomeScreen destroyed
2022-07-23 23:37:51: SplashScreen created
2022-07-23 23:37:51: SplashScreen resumed
2022-07-23 23:37:52: SplashScreen paused
2022-07-23 23:37:52: HomeScreen created
2022-07-23 23:37:52: HomeScreen resumed
2022-07-23 23:37:52: HomeScreen paused
2022-07-23 23:37:53: SplashScreen destroyed