java.lang.IllegalArgumentException -> com.aadi.tucwlan.fragments.OnBoardingLastFragment.onStop

java.lang.RuntimeException: 
  at android.app.ActivityThread.callActivityOnStop (ActivityThread.java:5312)
  at android.app.ActivityThread.performStopActivityInner (ActivityThread.java:5277)
  at android.app.ActivityThread.handleStopActivity (ActivityThread.java:5357)
  at android.app.servertransaction.StopActivityItem.execute (StopActivityItem.java:40)
  at android.app.servertransaction.TransactionExecutor.executeLifecycleState (TransactionExecutor.java:176)
  at android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:97)
  at android.app.ActivityThread$H.handleMessage (ActivityThread.java:2295)
  at android.os.Handler.dispatchMessage (Handler.java:106)
  at android.os.Looper.loop (Looper.java:246)
  at android.app.ActivityThread.main (ActivityThread.java:8443)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:596)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1130)
Caused by: java.lang.IllegalArgumentException: 
  at android.app.LoadedApk.forgetReceiverDispatcher (LoadedApk.java:1497)
  at android.app.ContextImpl.unregisterReceiver (ContextImpl.java:1712)
  at android.content.ContextWrapper.unregisterReceiver (ContextWrapper.java:733)
  at com.aadi.tucwlan.fragments.OnBoardingLastFragment.onStop (OnBoardingLastFragment.java:105)
  at androidx.fragment.app.Fragment.performStop (Fragment.java:2797)
  at androidx.fragment.app.FragmentManagerImpl.moveToState (FragmentManagerImpl.java:940)
  at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState (FragmentManagerImpl.java:1238)
  at androidx.fragment.app.FragmentManagerImpl.moveToState (FragmentManagerImpl.java:1303)
  at androidx.fragment.app.FragmentManagerImpl.dispatchStateChange (FragmentManagerImpl.java:2659)
  at androidx.fragment.app.FragmentManagerImpl.dispatchStop (FragmentManagerImpl.java:2634)
  at androidx.fragment.app.FragmentController.dispatchStop (FragmentController.java:290)
  at androidx.fragment.app.FragmentActivity.onStop (FragmentActivity.java:564)
  at androidx.appcompat.app.AppCompatActivity.onStop (AppCompatActivity.java:207)
  at android.app.Instrumentation.callActivityOnStop (Instrumentation.java:1476)
  at android.app.Activity.performStop (Activity.java:8414)
  at android.app.ActivityThread.callActivityOnStop (ActivityThread.java:5304)
Tritt auf einem Samsung Galaxy M21 auf mit Android 11(SDK30)
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