我在android studio flutter中导入了一个项目。但是，有一个令人难以置信的版本冲突数量进来。如果一个解决其他上升，如果下降，另一个上升。我试图得到所有的包，它显示我如下错误。

Because date_utils >=0.1.0+3 depends on intl ^0.16.0 and prokit_flutter depends on intl 0.17.0-nullsafety.2, date_utils >=0.1.0+3 is forbidden.
So, because prokit_flutter depends on date_utils ^0.1.0+3, version solving failed.

pub get failed (1; So, because prokit_flutter depends on date_utils ^0.1.0+3, version solving failed.)
Process finished with exit code 1

我的pubspec.yaml代码如下。

name: prokit_flutter
description: A new Flutter application.
version: 1.0.0+1

environment:
  sdk: ">=2.6.0 <3.0.0"

dependencies:
  flutter:
    sdk: flutter

  cupertino_icons: ^1.0.0
  url_launcher: 5.0.3
  nb_utils: 3.1.6+7
  google_fonts: 1.1.0
  animations: 1.1.2
  intl: 0.17.0-nullsafety.2
  http: 0.12.2
  firebase_core: 0.5.0
  firebase_analytics: 6.0.0
  firebase_crashlytics: 0.1.4+1
  google_sign_in: 4.5.3
  html: 0.14.0+3
  share: 0.6.5
  mobx: ^1.2.1+2
  flutter_mobx: ^1.1.0+2

  flutter_statusbarcolor: 0.2.3
  simple_animations: 1.3.8
  snaplist: 0.1.8
  flutter_svg: 0.18.1
  flutter_slidable: 0.5.7
  flutter_staggered_grid_view: 0.3.2
  flutter_staggered_animations: 0.1.2

  geolocator: 5.3.2+2
  geocoder: 0.2.1
  google_maps_flutter: 0.5.21+3
  clustering_google_maps: 0.1.2
  razorpay_flutter: 1.2.2
  signature: 3.2.0
  liquid_swipe: 1.5.0
  lipsum: 1.0.1
  flutter_colorpicker: 0.3.4
  clippy_flutter: 1.1.1
  flutter_tags: ^0.4.8
  image_picker_gallery_camera: 0.1.6
  video_player: 0.10.11+2
  charts_flutter: ^0.9.0
  like_button: ^1.0.1
  flutter_reaction_button: ^1.0.1
  lottie: ^0.6.0
  showcaseview: ^0.1.6
  date_utils: ^0.1.0+3
  cached_network_image: ^2.3.1

  flutter_localizations:
    sdk: flutter

dev_dependencies:
  flutter_test:
    sdk: flutter
  mobx_codegen:
  build_runner: ^1.9.0
  #flutter packages pub run build_runner build

flutter:

  uses-material-design: true

  assets:
    - images/smartDeck/images/

  fonts:
    - family: Andina
      fonts:
        - asset: fonts/andina.ttf

而且有4-5个依赖版本错误。我怎么能解决这个版本错误的事情在一个点击或者我可以只是以某种方式跳过这个版本问题，并得到的事情完成。请帮助，提前感谢。