Link crash

Build version: 1.8.0.1
Build date: 1981-01-01 01:01:02
Current date: 2022-02-18 16:45:12
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:
2022-02-18 13:30:23: SplashScreen created
2022-02-18 13:30:23: SplashScreen resumed
2022-02-18 13:30:30: SplashScreen paused
2022-02-18 13:30:31: HomeScreen created
2022-02-18 13:30:31: HomeScreen resumed
2022-02-18 13:30:31: HomeScreen paused
2022-02-18 13:30:31: HomeScreen resumed
2022-02-18 13:30:32: SplashScreen destroyed
2022-02-18 13:30:32: HomeScreen paused
2022-02-18 13:30:38: HomeScreen resumed
2022-02-18 13:30:43: HomeScreen paused
2022-02-18 13:30:43: WebViewScreen created
2022-02-18 13:30:44: WebViewScreen resumed
2022-02-18 13:30:55: WebViewScreen paused
2022-02-18 13:30:55: HomeScreen resumed
2022-02-18 13:30:55: WebViewScreen destroyed
2022-02-18 13:30:58: HomeScreen paused
2022-02-18 13:30:59: HomeScreen destroyed
2022-02-18 13:31:00: SplashScreen created
2022-02-18 13:31:00: SplashScreen resumed
2022-02-18 13:31:00: SplashScreen paused
2022-02-18 13:31:00: HomeScreen created
2022-02-18 13:31:00: HomeScreen resumed
2022-02-18 13:31:01: HomeScreen paused
2022-02-18 13:31:01: HomeScreen resumed
2022-02-18 13:31:01: SplashScreen destroyed
2022-02-18 13:31:04: HomeScreen paused
2022-02-18 13:31:05: ChatScreen created
2022-02-18 13:31:05: ChatScreen resumed
2022-02-18 13:31:08: ChatScreen paused
2022-02-18 13:31:08: BoardScreen created
2022-02-18 13:31:08: BoardScreen resumed
2022-02-18 13:31:16: BoardScreen paused
2022-02-18 13:31:16: WebViewScreen created
2022-02-18 13:31:16: WebViewScreen resumed
2022-02-18 13:32:31: WebViewScreen paused
2022-02-18 13:32:31: BoardScreen resumed
2022-02-18 13:32:32: WebViewScreen destroyed
2022-02-18 13:32:35: BoardScreen paused
2022-02-18 13:32:35: ChatScreen resumed
2022-02-18 13:32:35: BoardScreen destroyed
2022-02-18 13:32:36: ChatScreen paused
2022-02-18 13:32:36: HomeScreen resumed
2022-02-18 13:32:36: ChatScreen destroyed
2022-02-18 13:32:38: HomeScreen paused
2022-02-18 13:32:38: HomeScreen destroyed
2022-02-18 16:45:07: SplashScreen created
2022-02-18 16:45:07: SplashScreen resumed
2022-02-18 16:45:10: SplashScreen paused
2022-02-18 16:45:10: HomeScreen created
2022-02-18 16:45:10: HomeScreen resumed
2022-02-18 16:45:10: HomeScreen paused
2022-02-18 16:45:10: HomeScreen resumed
2022-02-18 16:45:10: SplashScreen destroyed