Link crash

Build version: 1.7.7
Build date: 1981-01-01 01:01:02
Current date: 2021-12-17 09:11:04
Device: Samsung SM-M515F
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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:938)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:246)
    at android.app.ActivityThread.main(ActivityThread.java:8506)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)

User actions:
2021-12-17 07:59:08: SplashScreen created
2021-12-17 07:59:08: SplashScreen resumed
2021-12-17 07:59:09: SplashScreen paused
2021-12-17 07:59:09: HomeScreen created
2021-12-17 07:59:09: HomeScreen resumed
2021-12-17 07:59:09: SplashScreen destroyed
2021-12-17 07:59:10: HomeScreen paused
2021-12-17 07:59:10: ChatScreen created
2021-12-17 07:59:11: ChatScreen resumed
2021-12-17 07:59:13: ChatScreen paused
2021-12-17 07:59:13: BoardScreen created
2021-12-17 07:59:13: BoardScreen resumed
2021-12-17 07:59:14: BoardScreen paused
2021-12-17 07:59:14: WebViewScreen created
2021-12-17 07:59:14: WebViewScreen resumed
2021-12-17 07:59:33: WebViewScreen paused
2021-12-17 07:59:33: BoardScreen resumed
2021-12-17 07:59:33: WebViewScreen destroyed
2021-12-17 07:59:34: BoardScreen paused
2021-12-17 07:59:34: ChatScreen resumed
2021-12-17 07:59:35: BoardScreen destroyed
2021-12-17 07:59:35: ChatScreen paused
2021-12-17 07:59:36: ChatScreen destroyed
2021-12-17 07:59:37: HomeScreen resumed
2021-12-17 07:59:38: HomeScreen paused
2021-12-17 07:59:38: HomeScreen destroyed
2021-12-17 08:29:36: SplashScreen created
2021-12-17 08:29:36: SplashScreen resumed
2021-12-17 08:29:38: SplashScreen paused
2021-12-17 08:29:38: HomeScreen created
2021-12-17 08:29:38: HomeScreen resumed
2021-12-17 08:29:38: SplashScreen destroyed
2021-12-17 08:29:44: HomeScreen paused
2021-12-17 08:29:44: ChatScreen created
2021-12-17 08:29:44: ChatScreen resumed
2021-12-17 08:29:47: ChatScreen paused
2021-12-17 08:29:47: BoardScreen created
2021-12-17 08:29:47: BoardScreen resumed
2021-12-17 08:29:48: BoardScreen paused
2021-12-17 08:29:48: WebViewScreen created
2021-12-17 08:29:48: WebViewScreen resumed
2021-12-17 08:30:43: WebViewScreen paused
2021-12-17 08:30:43: BoardScreen resumed
2021-12-17 08:30:44: WebViewScreen destroyed
2021-12-17 08:30:44: BoardScreen paused
2021-12-17 08:30:44: ChatScreen resumed
2021-12-17 08:30:45: BoardScreen destroyed
2021-12-17 08:30:46: ChatScreen paused
2021-12-17 08:30:46: HomeScreen resumed
2021-12-17 08:30:46: ChatScreen destroyed
2021-12-17 08:30:47: HomeScreen paused
2021-12-17 08:30:47: HomeScreen destroyed
2021-12-17 09:11:01: SplashScreen created
2021-12-17 09:11:01: SplashScreen resumed
2021-12-17 09:11:02: SplashScreen paused
2021-12-17 09:11:02: HomeScreen created
2021-12-17 09:11:02: HomeScreen resumed
2021-12-17 09:11:03: SplashScreen destroyed