Help! i can't make leaderboard with firebase

[OfficialDjJohn (DjJohn)]

Where did you set your firebase database location while creating project?
Check this

How to solve this firbase problem

Set firebase’s location to us-central1 and it will work. Since you can not change location to an existing project in firebase, create a new one located in us-central1

You have to set firebase location to US-Central