Link crash

Build version: 1.6.9
Build date: 1981-01-01 01:01:02
Current date: 2021-09-18 09:36:21
Device: Samsung SM-A515F
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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:938)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:246)
    at android.app.ActivityThread.main(ActivityThread.java:8595)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)

User actions:
2021-09-18 07:04:56: SplashScreen created
2021-09-18 07:04:56: SplashScreen resumed
2021-09-18 07:04:59: SplashScreen paused
2021-09-18 07:04:59: HomeScreen created
2021-09-18 07:04:59: HomeScreen resumed
2021-09-18 07:04:59: HomeScreen paused
2021-09-18 07:04:59: HomeScreen resumed
2021-09-18 07:05:00: SplashScreen destroyed
2021-09-18 07:05:00: HomeScreen paused
2021-09-18 07:05:09: HomeScreen resumed
2021-09-18 07:05:22: HomeScreen paused
2021-09-18 07:05:22: HomeScreen destroyed
2021-09-18 07:05:24: SplashScreen created
2021-09-18 07:05:24: SplashScreen resumed
2021-09-18 07:05:25: SplashScreen paused
2021-09-18 07:05:25: HomeScreen created
2021-09-18 07:05:25: HomeScreen resumed
2021-09-18 07:05:25: HomeScreen paused
2021-09-18 07:05:25: HomeScreen resumed
2021-09-18 07:05:26: SplashScreen destroyed
2021-09-18 07:05:28: HomeScreen paused
2021-09-18 07:05:28: ChatScreen created
2021-09-18 07:05:28: ChatScreen resumed
2021-09-18 07:05:30: ChatScreen paused
2021-09-18 07:05:30: HomeScreen resumed
2021-09-18 07:05:30: ChatScreen destroyed
2021-09-18 07:05:31: HomeScreen paused
2021-09-18 07:05:31: HomeScreen destroyed
2021-09-18 09:36:18: SplashScreen created
2021-09-18 09:36:18: SplashScreen resumed
2021-09-18 09:36:20: SplashScreen paused
2021-09-18 09:36:20: HomeScreen created
2021-09-18 09:36:20: HomeScreen resumed
2021-09-18 09:36:20: HomeScreen paused