Link crash

Build version: 1.8.7
Build date: 1981-01-01 01:01:02
Current date: 2022-07-22 13:15:25
Device: Xiaomi Redmi Note 9 Pro
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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:938)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:236)
    at android.app.ActivityThread.main(ActivityThread.java:7861)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:600)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:967)

User actions:
2022-07-22 13:07:06: SplashScreen created
2022-07-22 13:07:06: SplashScreen resumed
2022-07-22 13:07:08: SplashScreen paused
2022-07-22 13:07:08: HomeScreen created
2022-07-22 13:07:08: HomeScreen resumed
2022-07-22 13:07:09: SplashScreen destroyed
2022-07-22 13:07:09: HomeScreen paused
2022-07-22 13:07:14: HomeScreen resumed
2022-07-22 13:07:15: HomeScreen paused
2022-07-22 13:07:15: ChatScreen created
2022-07-22 13:07:15: ChatScreen resumed
2022-07-22 13:07:31: ChatScreen paused
2022-07-22 13:07:31: HomeScreen resumed
2022-07-22 13:07:31: ChatScreen destroyed
2022-07-22 13:07:32: HomeScreen paused
2022-07-22 13:07:32: HomeScreen destroyed
2022-07-22 13:15:21: SplashScreen created
2022-07-22 13:15:21: SplashScreen resumed
2022-07-22 13:15:23: SplashScreen paused
2022-07-22 13:15:23: HomeScreen created
2022-07-22 13:15:23: HomeScreen resumed
2022-07-22 13:15:24: SplashScreen destroyed