Link crash

Build version: 1.7.6
Build date: 1981-01-01 01:01:02
Current date: 2021-11-19 21:30:57
Device: OPPO CPH2059
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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:938)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:263)
    at android.app.ActivityThread.main(ActivityThread.java:8283)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:612)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1006)

User actions:
2021-11-19 13:07:20: SplashScreen created
2021-11-19 13:07:20: SplashScreen resumed
2021-11-19 13:07:21: SplashScreen paused
2021-11-19 13:07:22: HomeScreen created
2021-11-19 13:07:22: HomeScreen resumed
2021-11-19 13:07:22: HomeScreen paused
2021-11-19 13:07:23: HomeScreen resumed
2021-11-19 13:07:23: SplashScreen destroyed
2021-11-19 13:07:23: HomeScreen paused
2021-11-19 13:07:27: HomeScreen resumed
2021-11-19 13:07:43: HomeScreen paused
2021-11-19 13:07:43: HomeScreen destroyed
2021-11-19 13:07:46: SplashScreen created
2021-11-19 13:07:46: SplashScreen resumed
2021-11-19 13:07:46: SplashScreen paused
2021-11-19 13:07:47: HomeScreen created
2021-11-19 13:07:47: HomeScreen resumed
2021-11-19 13:07:47: HomeScreen paused
2021-11-19 13:07:47: HomeScreen resumed
2021-11-19 13:07:47: SplashScreen destroyed
2021-11-19 13:07:58: HomeScreen paused
2021-11-19 13:07:58: ChatScreen created
2021-11-19 13:07:58: ChatScreen resumed
2021-11-19 13:08:05: ChatScreen paused
2021-11-19 13:08:05: HomeScreen resumed
2021-11-19 13:08:05: ChatScreen destroyed
2021-11-19 13:08:07: HomeScreen paused
2021-11-19 13:08:08: ChatScreen created
2021-11-19 13:08:08: ChatScreen resumed
2021-11-19 13:08:16: ChatScreen paused
2021-11-19 13:08:16: HomeScreen resumed
2021-11-19 13:08:17: ChatScreen destroyed
2021-11-19 13:08:19: HomeScreen paused
2021-11-19 13:08:19: ChatScreen created
2021-11-19 13:08:19: ChatScreen resumed
2021-11-19 13:08:38: ChatScreen paused
2021-11-19 13:08:38: HomeScreen resumed
2021-11-19 13:08:38: ChatScreen destroyed
2021-11-19 13:08:40: HomeScreen paused
2021-11-19 13:08:40: ChatScreen created
2021-11-19 13:08:40: ChatScreen resumed
2021-11-19 13:11:17: ChatScreen paused
2021-11-19 13:11:17: BoardScreen created
2021-11-19 13:11:18: BoardScreen resumed
2021-11-19 13:11:20: BoardScreen paused
2021-11-19 13:11:20: WebViewScreen created
2021-11-19 13:11:20: WebViewScreen resumed
2021-11-19 13:12:59: WebViewScreen paused
2021-11-19 13:13:00: BoardScreen resumed
2021-11-19 13:13:00: WebViewScreen destroyed
2021-11-19 13:13:02: BoardScreen paused
2021-11-19 13:13:02: WebViewScreen created
2021-11-19 13:13:02: WebViewScreen resumed
2021-11-19 13:15:30: WebViewScreen paused
2021-11-19 13:15:30: BoardScreen resumed
2021-11-19 13:15:30: WebViewScreen destroyed
2021-11-19 13:15:32: BoardScreen paused
2021-11-19 13:15:32: ChatScreen resumed
2021-11-19 13:15:32: BoardScreen destroyed
2021-11-19 13:15:33: ChatScreen paused
2021-11-19 13:15:33: HomeScreen resumed
2021-11-19 13:15:33: ChatScreen destroyed
2021-11-19 13:15:34: HomeScreen paused
2021-11-19 13:15:34: HomeScreen destroyed
2021-11-19 21:30:53: SplashScreen created
2021-11-19 21:30:54: SplashScreen resumed
2021-11-19 21:30:54: SplashScreen paused
2021-11-19 21:30:54: HomeScreen created
2021-11-19 21:30:54: HomeScreen resumed
2021-11-19 21:30:55: HomeScreen paused
2021-11-19 21:30:55: HomeScreen resumed
2021-11-19 21:30:55: SplashScreen destroyed