Link crash

Build version: 1.8.5
Build date: 1981-01-01 01:01:02
Current date: 2022-05-24 11:59:14
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:
2022-05-24 08:46:27: SplashScreen created
2022-05-24 08:46:27: SplashScreen resumed
2022-05-24 08:46:29: SplashScreen paused
2022-05-24 08:46:29: HomeScreen created
2022-05-24 08:46:29: HomeScreen resumed
2022-05-24 08:46:29: HomeScreen paused
2022-05-24 08:46:30: HomeScreen resumed
2022-05-24 08:46:30: SplashScreen destroyed
2022-05-24 08:46:30: HomeScreen paused
2022-05-24 08:46:33: HomeScreen resumed
2022-05-24 08:46:45: HomeScreen paused
2022-05-24 08:46:45: WebViewScreen created
2022-05-24 08:46:45: WebViewScreen resumed
2022-05-24 08:47:10: WebViewScreen paused
2022-05-24 08:47:10: HomeScreen resumed
2022-05-24 08:47:10: WebViewScreen destroyed
2022-05-24 08:47:11: HomeScreen paused
2022-05-24 08:47:11: WebViewScreen created
2022-05-24 08:47:11: WebViewScreen resumed
2022-05-24 08:47:36: WebViewScreen paused
2022-05-24 08:47:36: HomeScreen resumed
2022-05-24 08:47:37: WebViewScreen destroyed
2022-05-24 08:47:39: HomeScreen paused
2022-05-24 08:47:40: HomeScreen destroyed
2022-05-24 11:59:11: SplashScreen created
2022-05-24 11:59:11: SplashScreen resumed
2022-05-24 11:59:12: SplashScreen paused
2022-05-24 11:59:12: HomeScreen created
2022-05-24 11:59:12: HomeScreen resumed
2022-05-24 11:59:12: HomeScreen paused
2022-05-24 11:59:13: HomeScreen resumed
2022-05-24 11:59:13: SplashScreen destroyed