Because form_builder_phone_field >=0.2.0 depends on flutter_form_builder ^5.0.0-alpha.1 and admin depends on flutter_form_builder ^6.0.1, form_builder_phone_field >=0.2.0 is forbidden.
So, because admin depends on form_builder_phone_field ^0.2.0, version solving failed.
pub get failed (1; So, because admin depends on form_builder_phone_field ^0.2.0, version solving failed.)