Crash on presence selection

[iNPUTmice]

java.lang.ArrayIndexOutOfBoundsException: length=0; index=0                                            
    at eu.siacs.conversations.ui.util.PresenceSelector.lambda$showPresenceSelectionDialog$2(PresenceSelector.java:109)                                                                                               
    at eu.siacs.conversations.ui.util.-$$Lambda$PresenceSelector$dAZiE1jO5ge0y7FFV6g-BlfzBsY.onClick(Unknown Source:10)                                                                                             
    at android.support.v7.app.AlertController$ButtonHandler.handleMessage(AlertController.java:167)
    at android.os.Handler.dispatchMessage(Handler.java:105)                                        
    at android.os.Looper.loop(Looper.java:164)                                                     
    at android.app.ActivityThread.main(ActivityThread.java:6944)                                   
    at java.lang.reflect.Method.invoke(Native Method)                                              
    at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)                     
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)