Amaze crash

[joanluc]

Issue explanation (write below this line)

Amaze crashes very often when in background

Exception

• App Name: Gestionnaire de fichiers Amaze
• Package: com.amaze.filemanager
• Version: 3.10
• User Action: UI Error
• Request: Application crash
• OS: Linux KONROW/STAR5/STAR5:12/SP1A.210812.016/1658327007:user/release-keys 12 - 31
• Device: STAR5
• Model: STAR5
• Product: STAR5

Crash log

java.lang.IllegalStateException: Fragment MainFragment{a384e5d} (e142d996-2439-4b2d-a301-34e57c2a4198) is not currently in the FragmentManager
	at androidx.fragment.app.FragmentManager.putFragment(FragmentManager.java:1013)
	at com.amaze.filemanager.ui.fragments.TabFragment.onSaveInstanceState(TabFragment.java:250)
	at androidx.fragment.app.Fragment.performSaveInstanceState(Fragment.java:3288)
	at androidx.fragment.app.FragmentStateManager.saveBasicState(FragmentStateManager.java:681)
	at androidx.fragment.app.FragmentStateManager.saveState(FragmentStateManager.java:647)
	at androidx.fragment.app.FragmentStore.saveActiveFragments(FragmentStore.java:214)
	at androidx.fragment.app.FragmentManager.saveAllStateInternal(FragmentManager.java:2382)
	at androidx.fragment.app.FragmentManager.lambda$attachController$4(FragmentManager.java:2660)
	at androidx.fragment.app.FragmentManager.$r8$lambda$sido8p6zuWx0PQxIkv4qM-BRiGM(Unknown Source:0)
	at androidx.fragment.app.FragmentManager$$ExternalSyntheticLambda4.saveState(Unknown Source:2)
	at androidx.savedstate.SavedStateRegistry.performSave(SavedStateRegistry.kt:247)
	at androidx.savedstate.SavedStateRegistryController.performSave(SavedStateRegistryController.kt:81)
	at androidx.activity.ComponentActivity.onSaveInstanceState(ComponentActivity.java:383)
	at com.amaze.filemanager.ui.activities.MainActivity.onSaveInstanceState(MainActivity.java:1325)
	at android.app.Activity.performSaveInstanceState(Activity.java:2241)
	at android.app.Instrumentation.callActivityOnSaveInstanceState(Instrumentation.java:1508)
	at android.app.ActivityThread.callActivityOnSaveInstanceState(ActivityThread.java:5797)
	at android.app.ActivityThread.callActivityOnStop(ActivityThread.java:5202)
	at android.app.ActivityThread.performStopActivityInner(ActivityThread.java:5168)
	at android.app.ActivityThread.handleStopActivity(ActivityThread.java:5233)
	at android.app.servertransaction.StopActivityItem.execute(StopActivityItem.java:43)
	at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
	at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
	at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2247)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loopOnce(Looper.java:201)
	at android.os.Looper.loop(Looper.java:288)
	at android.app.ActivityThread.main(ActivityThread.java:7881)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:568)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1045)

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[VishnuSanal]

dupe #1555