혹시나해서 다시 dart pub global activate flutterfire_cli 명령어 입력하면
Building flutter tool...
Running pub upgrade...
Package flutterfire_cli is currently active at version 0.2.2+2.
Resolving dependencies...
The package flutterfire_cli is already activated at newest available version.
To recompile executables, first run `dart pub global deactivate flutterfire_cli`.
Installed executable flutterfire.
Activated flutterfire_cli 0.2.2+2.
위와 같은 메시지가 터미널에 출력되고 flutterfire configure 를 다시 입력해보면 사진과 같은 메시지가 출력됩니다ㅠ