AppWorks Chrashes at new notification

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When trying out the sample notification application notificationHandlerTest_1.0.1 my AppWorks Android client crashes as soon as i click on the notification application and then I can't restart the AppWorks app until I clear the application data in settings.

The stack trace indicate:

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.opentext..m.appworks/com.opentext.m.otsync.ProfilesActivity}: NullPointerException: println needs a message
...
...

POST for notification

POST
http://<ip>:8080/gateway/v2/notifications
Content-Type: application/x-www-form-urlencoded

Body:
key=ef2395926c0dfff7a28e050e8e2026ab1ac0e1da32b2c581&message={"type":"test","displayType":"show","body":"Test notification sent","header":"NOTE!"}&users=ohellgre