F:\flutter_sdk\flutter\bin\flutter.bat --no-color pub get
Running "flutter pub get" in flutter_1...                       
Error on line 25, column 5 of pubspec.yaml: A dependency may only have one source.
 
   ╷
 
25 │ ┌     sdk: flutter
 
26 │ │     url_launcher: ^5.5.0
 
27 │ │ 
 
28 │ │ 
 
29 │ │   # The following adds the Cupertino Icons font to your application.
 
30 │ │   # Use with the CupertinoIcons class for iOS style icons.
 
31 │ │   cupertino_icons: ^0.1.3
 
   │ └──^
 
   ╵
pub get failed (65;    ╵)
Process finished with exit code 65