Link crash

Build version: 1.8.7
Build date: 1981-01-01 01:01:02
Current date: 2022-07-22 20:17:58
Device: Vsmart Active 1+
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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:873)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:193)
    at android.app.ActivityThread.main(ActivityThread.java:6746)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

User actions:
2022-07-22 20:09:46: SplashScreen created
2022-07-22 20:09:46: SplashScreen resumed
2022-07-22 20:09:48: SplashScreen paused
2022-07-22 20:09:48: HomeScreen created
2022-07-22 20:09:48: HomeScreen resumed
2022-07-22 20:09:49: SplashScreen destroyed
2022-07-22 20:09:49: HomeScreen paused
2022-07-22 20:09:51: HomeScreen resumed
2022-07-22 20:09:52: HomeScreen paused
2022-07-22 20:09:52: ChatScreen created
2022-07-22 20:09:52: ChatScreen resumed
2022-07-22 20:10:35: ChatScreen paused
2022-07-22 20:10:35: HomeScreen resumed
2022-07-22 20:10:35: ChatScreen destroyed
2022-07-22 20:10:36: HomeScreen paused
2022-07-22 20:10:36: ChatScreen created
2022-07-22 20:10:36: ChatScreen resumed
2022-07-22 20:11:22: ChatScreen paused
2022-07-22 20:11:22: HomeScreen resumed
2022-07-22 20:11:22: ChatScreen destroyed
2022-07-22 20:11:22: HomeScreen paused
2022-07-22 20:11:23: HomeScreen destroyed
2022-07-22 20:14:12: SplashScreen created
2022-07-22 20:14:12: SplashScreen resumed
2022-07-22 20:14:14: SplashScreen paused
2022-07-22 20:14:14: HomeScreen created
2022-07-22 20:14:14: HomeScreen resumed
2022-07-22 20:14:14: SplashScreen destroyed
2022-07-22 20:14:15: HomeScreen paused
2022-07-22 20:14:15: ChatScreen created
2022-07-22 20:14:15: ChatScreen resumed
2022-07-22 20:17:25: ChatScreen paused
2022-07-22 20:17:25: HomeScreen resumed
2022-07-22 20:17:25: ChatScreen destroyed
2022-07-22 20:17:26: HomeScreen paused
2022-07-22 20:17:26: HomeScreen destroyed
2022-07-22 20:17:54: SplashScreen created
2022-07-22 20:17:54: SplashScreen resumed
2022-07-22 20:17:56: SplashScreen paused
2022-07-22 20:17:56: HomeScreen created
2022-07-22 20:17:56: HomeScreen resumed
2022-07-22 20:17:56: SplashScreen destroyed