[Flutter] Flutter - Build_runner doesn't generate files for my imported package

I created a small library to gather all my widgets in one place. Recently, I added the complete logic for my authentication page (Dio, Retrofit, Repository, Manager, etc.) to avoid recreating this page every time I want to create a new app.

However, in my authentication repository, for example, I'm using Retrofit, so I implemented something like this:

import "package:dio/dio.dart";
import "package:retrofit/retrofit.dart";

part "authentication_repository.g.dart";

@RestApi()
abstract class AuthenticationClient {
factory AuthenticationClient(Dio dio) = _AuthenticationClient;
....


So, I need to have the build_runner to create the .g.dart file. I added it in the pubspec:

dev_dependencies:
flutter_test:
sdk: flutter
flutter_lints: ^3.0.1

retrofit_generator: ">=7.0.0 <8.0.0"
build_runner: 2.4.12
json_serializable: 6.8.0
custom_lint: 0.6.2


I pushed my library to Git and imported it into my main project.

The problem is that the build_runner in my main project can't generate the .g.dart files for my authrepo inside my library.

....authentication_repository.g.dart': File not found
​

How can I do that?

Thanks

(I have this error only when i'm starting my app)

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