I am having this problem since restart and i think due to auto-update package but now i am having this error. This happens when i run my code and stop before executing anything.
Launching lib\main.dart on Edge in debug mode...
/C:/src/flutter_windows_2.10.4-stable/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-2.3.0/lib/src/firebase_app.dart: Error: A file can't be part of more than one library.
Try moving the shared declarations into the libraries, or into a new library.
/C:/src/flutter_windows_2.10.4-stable/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-2.3.0/lib/firebase_core.dart: Context: Used as a part in this library.
/C:/src/flutter_windows_2.10.4-stable/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-2.3.0/lib/firebase_core.dart%20: Context: Used as a part in this library.
/C:/src/flutter_windows_2.10.4-stable/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-2.3.0/lib/src/firebase.dart: Error: A file can't be part of more than one library.
Try moving the shared declarations into the libraries, or into a new library.
/C:/src/flutter_windows_2.10.4-stable/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-2.3.0/lib/firebase_core.dart: Context: Used as a part in this library.
/C:/src/flutter_windows_2.10.4-stable/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-2.3.0/lib/firebase_core.dart%20: Context: Used as a part in this library.
Failed to compile application.
Exited (sigterm)
I have tried pub get, Flutter clean, flutter upgrade downgrade. Help me to resolve this error.