Because firebase_crashlytics >=3.0.2 depends on firebase_core ^2.1.0 and my_app_name depends on firebase_core 1.22.0, firebase_crashlytics >=3.0.2 is forbidden.
So, because my_app_name depends on firebase_crashlytics ^3.0.2, version solving failed.
pub get failed (1; So, because my_app_name depends on firebase_crashlytics ^3.0.2, version solving failed.)
exit code 1
Due this issue [#422] (https://github.com/firebase/firebase-android-sdk/issues/4223) we get this error when try to get packages
Same on #112