Change my app to use firebase instead clouddb now the app keeps stopping

MIT App Inventor Help
1

I made my app trying to use cloud dB to get/set lists could get it to work so i moved to firebase to just upload a json of the lists I wanted but now it wont even open so I cant even check it can someone please help with this thanks ps the code is spaghetti af
firebase_test.aia (212.0 KB)

2

simple password

3

database
database706×378 22.4 KB

both set to true read and write I tried making a us db too

4

Your Firebase URL is
https://project-underground-5dadc-default-rtdb.europe-west1.firebasedatabase.app/

Only us-central works in AI2 with the AI2 Firebase component.