Crash - IllegalStateException: Can not perform this action after onSaveInstanceState

[ouchadam]

Exception java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
  at androidx.fragment.app.FragmentManager.enqueueAction (FragmentManager.java:6)
  at androidx.fragment.app.BackStackRecord.commitInternal (BackStackRecord.java:14)
  at androidx.fragment.app.BackStackRecord.commit (BackStackRecord.java:1)
  at im.vector.app.core.extensions.ActivityKt.addFragmentToBackstack$default (Activity.kt:7)
  at im.vector.app.features.onboarding.ftueauth.FtueAuthVariant.addRegistrationStageFragmentToBackstack (FtueAuthVariant.kt:4)
  at im.vector.app.features.onboarding.ftueauth.FtueAuthVariant.addRegistrationStageFragmentToBackstack$default (FtueAuthVariant.kt:1)
  at im.vector.app.features.onboarding.ftueauth.FtueAuthVariant.onStartCombinedLogin (FtueAuthVariant.kt:1)
  at im.vector.app.features.onboarding.ftueauth.FtueAuthVariant.handleOnboardingViewEvents (FtueAuthVariant.kt:67)
  at im.vector.app.features.onboarding.ftueauth.FtueAuthVariant.access$handleOnboardingViewEvents (FtueAuthVariant.kt:1)
  at im.vector.app.features.onboarding.ftueauth.FtueAuthVariant$initUiAndData$1$2.invoke (FtueAuthVariant.kt:2)
  at im.vector.app.features.onboarding.ftueauth.FtueAuthVariant$initUiAndData$1$2.invoke (FtueAuthVariant.kt:1)
  at im.vector.app.core.platform.VectorBaseActivity$observeViewEvents$1.invokeSuspend (VectorBaseActivity.kt:3)
  at im.vector.app.core.platform.VectorBaseActivity$observeViewEvents$1.invoke
  at im.vector.app.core.platform.VectorBaseActivity$observeViewEvents$1.invoke
  at kotlinx.coroutines.flow.FlowKt__TransformKt$onEach$$inlined$unsafeTransform$1$2.emit (Emitters.kt:6)
  at kotlinx.coroutines.flow.SharedFlowImpl.collect$suspendImpl (SharedFlow.kt:13)
  at kotlinx.coroutines.flow.SharedFlowImpl$collect$1.invokeSuspend
  at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith (ContinuationImpl.kt:3)
  at kotlinx.coroutines.DispatchedTaskKt.resume (DispatchedTask.kt:10)
  at kotlinx.coroutines.CancellableContinuationImpl.dispatchResume (CancellableContinuationImpl.kt:15)
  at kotlinx.coroutines.CancellableContinuationImpl.resumeImpl (CancellableContinuationImpl.kt:6)
  at kotlinx.coroutines.CancellableContinuationImpl.resumeWith (CancellableContinuationImpl.kt:4)
  at kotlinx.coroutines.flow.SharedFlowImpl.tryEmit (SharedFlow.kt:6)
  at im.vector.app.features.onboarding.OnboardingViewModel.onHomeServerSelected (OnboardingViewModel.kt:11)
  at im.vector.app.features.onboarding.OnboardingViewModel.access$onHomeServerSelected (OnboardingViewModel.kt:1)
  at im.vector.app.features.onboarding.OnboardingViewModel$onHomeServerSelected$1.invokeSuspend
  at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith (ContinuationImpl.kt:3)
  at kotlinx.coroutines.DispatchedTask.run (DispatchedTask.kt:18)
  at android.os.Handler.handleCallback (Handler.java:938)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loop (Looper.java:236)
  at android.app.ActivityThread.main (ActivityThread.java:8107)
  at java.lang.reflect.Method.invoke
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:656)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:967)

Affects both onStartCombinedLogin and openStartCombinedRegister due to the fragment transactions occurring asynchronously.

https://play.google.com/console/u/0/developers/{redacted}/app/{redacted}/vitals/crashes/3ff2f92ea7f32ac71458ed0e4bacfe02/details?installedFrom=PLAY_STORE&days=30&clustering=NEW&versionCode=40104322%2C40104321

https://play.google.com/console/u/0/developers/{redacted}/app/{redacted}/vitals/crashes/b46cbf61a299c3fe3ea1f997653d75cb/details?installedFrom=PLAY_STORE&days=30&clustering=NEW&versionCode=40104322%2C40104321