Link crash

Build version: 1.7.8
Build date: 1981-01-01 01:01:02
Current date: 2021-12-30 14:45:54
Device: Samsung SM-N975F
OS version: Android 11 (SDK 30)

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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:938)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:246)
    at android.app.ActivityThread.main(ActivityThread.java:8633)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)

User actions:
2021-12-30 05:09:54: SplashScreen created
2021-12-30 05:09:54: SplashScreen resumed
2021-12-30 05:09:56: SplashScreen paused
2021-12-30 05:09:56: HomeScreen created
2021-12-30 05:09:56: HomeScreen resumed
2021-12-30 05:09:56: SplashScreen destroyed
2021-12-30 05:09:57: HomeScreen paused
2021-12-30 05:10:01: HomeScreen resumed
2021-12-30 05:10:02: HomeScreen paused
2021-12-30 05:10:02: ChatScreen created
2021-12-30 05:10:02: ChatScreen resumed
2021-12-30 05:10:04: ChatScreen paused
2021-12-30 05:10:04: BoardScreen created
2021-12-30 05:10:04: BoardScreen resumed
2021-12-30 05:10:07: BoardScreen paused
2021-12-30 05:10:07: WebViewScreen created
2021-12-30 05:10:07: WebViewScreen resumed
2021-12-30 05:10:56: WebViewScreen paused
2021-12-30 05:10:56: BoardScreen resumed
2021-12-30 05:10:57: WebViewScreen destroyed
2021-12-30 05:10:59: BoardScreen paused
2021-12-30 05:10:59: ChatScreen resumed
2021-12-30 05:10:59: ChatScreen paused
2021-12-30 05:10:59: HomeScreen resumed
2021-12-30 05:10:59: BoardScreen destroyed
2021-12-30 05:11:00: ChatScreen destroyed
2021-12-30 05:11:00: HomeScreen paused
2021-12-30 05:11:01: HomeScreen destroyed
2021-12-30 09:17:09: SplashScreen created
2021-12-30 09:17:09: SplashScreen resumed
2021-12-30 09:17:10: SplashScreen paused
2021-12-30 09:17:10: HomeScreen created
2021-12-30 09:17:10: HomeScreen resumed
2021-12-30 09:17:10: SplashScreen destroyed
2021-12-30 09:17:12: HomeScreen paused
2021-12-30 09:17:12: ChatScreen created
2021-12-30 09:17:12: ChatScreen resumed
2021-12-30 09:17:14: ChatScreen paused
2021-12-30 09:17:14: BoardScreen created
2021-12-30 09:17:14: BoardScreen resumed
2021-12-30 09:17:20: BoardScreen paused
2021-12-30 09:17:20: WebViewScreen created
2021-12-30 09:17:20: WebViewScreen resumed
2021-12-30 09:17:38: WebViewScreen paused
2021-12-30 09:17:38: BoardScreen resumed
2021-12-30 09:17:39: WebViewScreen destroyed
2021-12-30 09:17:39: BoardScreen paused
2021-12-30 14:42:20: BoardScreen resumed
2021-12-30 14:42:22: BoardScreen paused
2021-12-30 14:42:22: WebViewScreen created
2021-12-30 14:42:22: WebViewScreen resumed
2021-12-30 14:42:59: WebViewScreen paused
2021-12-30 14:42:59: BoardScreen resumed
2021-12-30 14:42:59: WebViewScreen destroyed
2021-12-30 14:43:02: BoardScreen paused
2021-12-30 14:43:02: ChatScreen resumed
2021-12-30 14:43:02: ChatScreen paused
2021-12-30 14:43:02: HomeScreen resumed
2021-12-30 14:43:02: ChatScreen destroyed
2021-12-30 14:43:03: BoardScreen destroyed
2021-12-30 14:43:03: HomeScreen paused
2021-12-30 14:43:03: HomeScreen destroyed
2021-12-30 14:45:52: SplashScreen created
2021-12-30 14:45:52: SplashScreen resumed
2021-12-30 14:45:52: SplashScreen paused
2021-12-30 14:45:52: HomeScreen created
2021-12-30 14:45:52: HomeScreen resumed
2021-12-30 14:45:53: SplashScreen destroyed