I created an app using appinventor and bought an extention for firebase to send cloud messages I set everything up like in the tutorial, but now I cant publish the app and I get a Mail that the Server Key is leak

https://diewildenstreamer.de/picture/Unbenannt.JPG - Tutorial
https://diewildenstreamer.de/picture/Unbenannt.png - Email
https://diewildenstreamer.de/picture/Unbenannt1.JPG.jpg - My Settings