Link crash

Build version: 1.7.9
Build date: 1981-01-01 01:01:02
Current date: 2022-01-13 13:57:32
Device: Samsung SM-A530F
OS version: Android 9 (SDK 28)

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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:873)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:214)
    at android.app.ActivityThread.main(ActivityThread.java:7078)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:964)

User actions:
2022-01-13 10:34:47: SplashScreen created
2022-01-13 10:34:47: SplashScreen resumed
2022-01-13 10:34:48: SplashScreen paused
2022-01-13 10:34:48: HomeScreen created
2022-01-13 10:34:48: HomeScreen resumed
2022-01-13 10:34:49: SplashScreen destroyed
2022-01-13 10:34:49: HomeScreen paused
2022-01-13 10:34:51: HomeScreen resumed
2022-01-13 10:34:53: HomeScreen paused
2022-01-13 10:34:53: ChatScreen created
2022-01-13 10:34:53: ChatScreen resumed
2022-01-13 10:34:55: ChatScreen paused
2022-01-13 10:34:55: BoardScreen created
2022-01-13 10:34:56: BoardScreen resumed
2022-01-13 10:35:02: BoardScreen paused
2022-01-13 10:35:02: WebViewScreen created
2022-01-13 10:35:02: WebViewScreen resumed
2022-01-13 10:35:21: WebViewScreen paused
2022-01-13 13:30:11: SplashScreen created
2022-01-13 13:30:11: SplashScreen resumed
2022-01-13 13:30:14: SplashScreen paused
2022-01-13 13:30:14: HomeScreen created
2022-01-13 13:30:14: HomeScreen resumed
2022-01-13 13:30:14: SplashScreen destroyed
2022-01-13 13:30:18: HomeScreen paused
2022-01-13 13:30:18: ChatScreen created
2022-01-13 13:30:18: ChatScreen resumed
2022-01-13 13:30:20: ChatScreen paused
2022-01-13 13:30:20: BoardScreen created
2022-01-13 13:30:20: BoardScreen resumed
2022-01-13 13:30:25: BoardScreen paused
2022-01-13 13:30:25: WebViewScreen created
2022-01-13 13:30:25: WebViewScreen resumed
2022-01-13 13:31:25: WebViewScreen paused
2022-01-13 13:31:25: BoardScreen resumed
2022-01-13 13:31:25: WebViewScreen destroyed
2022-01-13 13:31:29: BoardScreen paused
2022-01-13 13:31:29: ChatScreen resumed
2022-01-13 13:31:30: BoardScreen destroyed
2022-01-13 13:31:34: ChatScreen paused
2022-01-13 13:31:34: HomeScreen resumed
2022-01-13 13:31:35: ChatScreen destroyed
2022-01-13 13:31:38: HomeScreen paused
2022-01-13 13:31:38: ChatScreen created
2022-01-13 13:31:38: ChatScreen resumed
2022-01-13 13:31:43: ChatScreen paused
2022-01-13 13:31:43: GroupConversationInfoScreen created
2022-01-13 13:31:44: GroupConversationInfoScreen resumed
2022-01-13 13:31:48: GroupConversationInfoScreen paused
2022-01-13 13:31:48: GroupUserListScreen created
2022-01-13 13:31:48: GroupUserListScreen resumed
2022-01-13 13:32:06: GroupUserListScreen paused
2022-01-13 13:32:06: GroupConversationInfoScreen resumed
2022-01-13 13:32:06: GroupUserListScreen destroyed
2022-01-13 13:32:08: GroupConversationInfoScreen paused
2022-01-13 13:32:09: ChatScreen resumed
2022-01-13 13:32:09: GroupConversationInfoScreen destroyed
2022-01-13 13:32:58: ChatScreen paused
2022-01-13 13:32:58: HomeScreen resumed
2022-01-13 13:32:58: ChatScreen destroyed
2022-01-13 13:32:59: HomeScreen paused
2022-01-13 13:32:59: WebViewScreen resumed
2022-01-13 13:33:00: HomeScreen destroyed
2022-01-13 13:33:01: WebViewScreen paused
2022-01-13 13:33:01: BoardScreen resumed
2022-01-13 13:33:01: WebViewScreen destroyed
2022-01-13 13:33:03: BoardScreen paused
2022-01-13 13:33:03: ChatScreen resumed
2022-01-13 13:33:04: BoardScreen destroyed
2022-01-13 13:33:04: ChatScreen paused
2022-01-13 13:33:04: HomeScreen resumed
2022-01-13 13:33:05: ChatScreen destroyed
2022-01-13 13:33:05: HomeScreen paused
2022-01-13 13:33:06: HomeScreen destroyed
2022-01-13 13:57:28: SplashScreen created
2022-01-13 13:57:28: SplashScreen resumed
2022-01-13 13:57:30: SplashScreen paused
2022-01-13 13:57:30: HomeScreen created
2022-01-13 13:57:30: HomeScreen resumed
2022-01-13 13:57:31: SplashScreen destroyed