Link crash

Build version: 1.7.2
Build date: 1981-01-01 01:01:02
Current date: 2021-11-18 07:47:15
Device: OPPO CPH2179
OS version: Android 10 (SDK 29)

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$1.onSuccess(UpdateManager.java:77)
    at com.google.android.play.core.tasks.e.run(Unknown Source:27)
    at android.os.Handler.handleCallback(Handler.java:883)
    at android.os.Handler.dispatchMessage(Handler.java:100)
    at android.os.Looper.loop(Looper.java:237)
    at android.app.ActivityThread.main(ActivityThread.java:7824)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:512)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1027)

User actions:
2021-11-18 07:38:04: SplashScreen created
2021-11-18 07:38:04: SplashScreen resumed
2021-11-18 07:38:08: SplashScreen paused
2021-11-18 07:38:09: HomeScreen created
2021-11-18 07:38:09: HomeScreen resumed
2021-11-18 07:38:09: HomeScreen paused
2021-11-18 07:38:10: HomeScreen resumed
2021-11-18 07:38:11: SplashScreen destroyed
2021-11-18 07:38:11: HomeScreen paused
2021-11-18 07:38:19: HomeScreen resumed
2021-11-18 07:38:21: HomeScreen paused
2021-11-18 07:38:21: ChatScreen created
2021-11-18 07:38:21: ChatScreen resumed
2021-11-18 07:39:15: ChatScreen paused
2021-11-18 07:39:15: HomeScreen resumed
2021-11-18 07:39:16: ChatScreen destroyed
2021-11-18 07:39:18: HomeScreen paused
2021-11-18 07:39:18: HomeScreen destroyed
2021-11-18 07:47:12: SplashScreen created
2021-11-18 07:47:12: SplashScreen resumed
2021-11-18 07:47:14: SplashScreen paused
2021-11-18 07:47:14: HomeScreen created
2021-11-18 07:47:14: HomeScreen resumed
2021-11-18 07:47:15: HomeScreen paused