• Android version: 7.1.1
• Briar version: 1.0.1 (1833efa5)
• Phone model: Anbox (anbox_x86_64)

Stacktrace:

java.lang.IllegalStateException
        at org.briarproject.briar.android.login.SetupControllerImpl.createAccount(SetupControllerImpl.java:88)
        at org.briarproject.briar.android.login.SetupControllerImpl.createAccount(SetupControllerImpl.java:82)
        at org.briarproject.briar.android.login.DozeFragment.onClick(DozeFragment.java:109)
        at android.view.View.performClick(View.java:5637)
        at android.view.View$PerformClick.run(View.java:22429)
        at android.os.Handler.handleCallback(Handler.java:751)
        at android.os.Handler.dispatchMessage(Handler.java:95)
        at android.os.Looper.loop(Looper.java:154)
        at android.app.ActivityThread.main(ActivityThread.java:6119)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)

Not assigning to the current milestone because this is a very old Briar version and the relevant code has changed a lot.