Link crash

Build version: 1.8.3
Build date: 1981-01-01 01:01:02
Current date: 2022-03-02 17:59:55
Device: Samsung SM-G610F
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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:790)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:164)
    at android.app.ActivityThread.main(ActivityThread.java:7000)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:441)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1408)

User actions:
2022-03-02 17:55:18: SplashScreen created
2022-03-02 17:55:18: SplashScreen resumed
2022-03-02 17:55:20: SplashScreen paused
2022-03-02 17:55:20: ExitActivity created
2022-03-02 17:55:20: ExitActivity destroyed
2022-03-02 17:55:20: SplashScreen destroyed
2022-03-02 17:55:21: SplashScreen created
2022-03-02 17:55:21: SplashScreen resumed
2022-03-02 17:55:23: SplashScreen paused
2022-03-02 17:55:23: ExitActivity created
2022-03-02 17:55:24: ExitActivity destroyed
2022-03-02 17:55:24: SplashScreen destroyed
2022-03-02 17:55:28: SplashScreen created
2022-03-02 17:55:28: SplashScreen resumed
2022-03-02 17:55:32: SplashScreen paused
2022-03-02 17:55:32: HomeScreen created
2022-03-02 17:55:33: HomeScreen resumed
2022-03-02 17:55:34: SplashScreen destroyed
2022-03-02 17:55:35: HomeScreen paused
2022-03-02 17:55:39: HomeScreen resumed
2022-03-02 17:55:43: HomeScreen paused
2022-03-02 17:55:43: WebViewScreen created
2022-03-02 17:55:45: WebViewScreen resumed
2022-03-02 17:56:21: WebViewScreen paused
2022-03-02 17:56:22: HomeScreen resumed
2022-03-02 17:56:22: HomeScreen paused
2022-03-02 17:56:22: HomeScreen destroyed
2022-03-02 17:56:22: WebViewScreen destroyed
2022-03-02 17:59:49: SplashScreen created
2022-03-02 17:59:49: SplashScreen resumed
2022-03-02 17:59:50: SplashScreen paused
2022-03-02 17:59:51: HomeScreen created
2022-03-02 17:59:51: HomeScreen resumed
2022-03-02 17:59:52: SplashScreen destroyed