I have two accounts: \"A\" and \"B\": A is main account that hosts iOS/Android unity mobile game on Firebase. B is using for admob integrated to iOS/Android mobile game.
If you already have the right permissions on the Firebase side, could you please check to see if you have the right permissions on the Google Analytics side?
1) From the Google Analytics home page of the GA Property that is linked to the Firebase project, click Admin in the lower-left corner.
2) Click "Property User Management"
3) Add/update users, such that their permissions include "Edit"